Offa of Mercia
Encyclopedia
Offa was the King of Mercia
Mercia
Mercia was one of the kingdoms of the Anglo-Saxon Heptarchy. It was centred on the valley of the River Trent and its tributaries in the region now known as the English Midlands...

 from 757 until his death in July 796. The son of Thingfrith and a descendant of Eowa
Eowa of Mercia
Eowa was a son of the Mercian king Pybba and a brother of the Mercian king Penda; according to the Historia Brittonum and the Annales Cambriae. These two sources state that Eowa was a king of the Mercians himself at the time of the Battle of Maserfield , in which he was killed, on August 5 of what...

, Offa came to the throne after a period of civil war following the assassination of Æthelbald after defeating the other claimant Beornred. In the early years of Offa's reign it is likely that he consolidated his control of midland peoples such as the Hwicce
Hwicce
The Hwicce were one of the peoples of Anglo-Saxon England. The exact boundaries of their kingdom are uncertain, though it is likely that they coincided with those of the old Diocese of Worcester, founded in 679–80, the early bishops of which bore the title Episcopus Hwicciorum...

 and the Magonsæte. Taking advantage of instability in the kingdom of Kent
Kingdom of Kent
The Kingdom of Kent was a Jutish colony and later independent kingdom in what is now south east England. It was founded at an unknown date in the 5th century by Jutes, members of a Germanic people from continental Europe, some of whom settled in Britain after the withdrawal of the Romans...

 to establish himself as overlord, Offa was also in control of Sussex
Kingdom of Sussex
The Kingdom of Sussex or Kingdom of the South Saxons was a Saxon colony and later independent kingdom of the Saxons, on the south coast of England. Its boundaries coincided in general with those of the earlier kingdom of the Regnenses and the later county of Sussex. A large part of its territory...

 by 771, though his authority did not remain unchallenged in either territory. In the 780s he extended Mercian supremacy
Mercian Supremacy
The Mercian Supremacy is a term commonly used to describe that period of English history between AD 600 and 900, in which the Kingdom of Mercia dominated the Anglo-Saxon Heptarchy...

 over most of southern England, allying with Beorhtric of Wessex
Beorhtric of Wessex
Beorhtric was the King of Wessex from 786 to 802.In 786, Cynewulf, king of Wessex, was killed by the exiled noble Cyneheard, brother of the former King Sigeberht. Beorhtric's successful bid for the throne was supported by Offa, king of the Mercians against Egbert...

, who married Offa's daughter Eadburh
Eadburh
Eadburh , also spelled Eadburg, was the daughter of King Offa of Mercia and Queen Cynethryth. Married to King Beorhtric of Wessex, Asser's Life of Alfred the Great tells how she accidentally killed her husband by poison. She fled to Francia, where she is said to have been offered the chance of...

, and regained complete control of the southeast. He also became the overlord of East Anglia
Kingdom of the East Angles
The Kingdom of East Anglia, also known as the Kingdom of the East Angles , was a small independent Anglo-Saxon kingdom that comprised what are now the English counties of Norfolk and Suffolk and perhaps the eastern part of the Fens...

, and had King Æthelberht II of East Anglia beheaded in 794, perhaps for rebelling against him.

Offa was a Christian king but came into conflict with the Church, particularly with Jaenberht, the Archbishop of Canterbury
Archbishop of Canterbury
The Archbishop of Canterbury is the senior bishop and principal leader of the Church of England, the symbolic head of the worldwide Anglican Communion, and the diocesan bishop of the Diocese of Canterbury. In his role as head of the Anglican Communion, the archbishop leads the third largest group...

. Offa managed to persuade Pope Adrian I
Pope Adrian I
Pope Adrian was pope from February 1, 772 to December 25, 795. He was the son of Theodore, a Roman nobleman.Shortly after Adrian's accession the territory ruled by the papacy was invaded by Desiderius, king of the Lombards, and Adrian was compelled to seek the assistance of the Frankish king...

 to divide the archdiocese of Canterbury in two, creating a new archdiocese of Lichfield. This reduction in the power of Canterbury may have been motivated by Offa's desire to have an archbishop consecrate his son Ecgfrith of Mercia
Ecgfrith of Mercia
Ecgfrith was a King of Mercia who briefly ruled in the year 796. He was the son and heir of King Offa of Mercia and his wife Cynethryth. In 787, Offa had Ecgfrith crowned as co-ruler. He succeeded his father in July 796, but despite Offa's efforts to secure his son's succession, it is recorded...

 as king, since it is possible Jaenberht refused to perform the ceremony, which took place in 787. Offa had a dispute with the Bishop of Worcester
Bishop of Worcester
The Bishop of Worcester is the Ordinary of the Church of England Diocese of Worcester in the Province of Canterbury, England. He is the head of the Diocese of Worcester in the Province of Canterbury...

 which was settled in the Council of Brentford
Brentford
Brentford is a suburban town in west London, England, and part of the London Borough of Hounslow. It is located at the confluence of the River Thames and the River Brent, west-southwest of Charing Cross. Its former ceremonial county was Middlesex.-Toponymy:...

 in 781.

Many surviving coins from Offa's reign carry elegant depictions of him and the artistic quality of these images exceeds that of the contemporary Frankish coinage. Some of his coins carry images of his wife, Cynethryth
Cynethryth
Cynethryth was the wife of Offa of Mercia and mother of Ecgfrith of Mercia. Cynethryth is the only Anglo-Saxon Queen consort in whose name coinage was definitely issued.-Origins and marriage:...

—the only Anglo-Saxon queen ever depicted on a coin. Only three gold coins of Offa's have survived: one is a copy of an Abbasid
Abbasid
The Abbasid Caliphate or, more simply, the Abbasids , was the third of the Islamic caliphates. It was ruled by the Abbasid dynasty of caliphs, who built their capital in Baghdad after overthrowing the Umayyad caliphate from all but the al-Andalus region....

 dinar of 774, and carries Arabic text on one side of the coin, with "Offa Rex" on the other side. The gold coins are of uncertain use but may have been struck to be used as alms or for gifts to Rome.

Many historians regard Offa as the most powerful Anglo-Saxon
Anglo-Saxons
Anglo-Saxon is a term used by historians to designate the Germanic tribes who invaded and settled the south and east of Great Britain beginning in the early 5th century AD, and the period from their creation of the English nation to the Norman conquest. The Anglo-Saxon Era denotes the period of...

 king before Alfred the Great
Alfred the Great
Alfred the Great was King of Wessex from 871 to 899.Alfred is noted for his defence of the Anglo-Saxon kingdoms of southern England against the Vikings, becoming the only English monarch still to be accorded the epithet "the Great". Alfred was the first King of the West Saxons to style himself...

. His dominance never extended to Northumbria
Northumbria
Northumbria was a medieval kingdom of the Angles, in what is now Northern England and South-East Scotland, becoming subsequently an earldom in a united Anglo-Saxon kingdom of England. The name reflects the approximate southern limit to the kingdom's territory, the Humber Estuary.Northumbria was...

, though he did marry a daughter, Ælfflæd
Ælfflæd of Mercia
Ælfflæd was a daughter of Offa of Mercia and Cynethryth.She may have witnessed a charter with her father, mother, and brother Ecgfrith in the 770s, and again in 787 with her mother, father, brother, and two sisters; here she is described as virgo—unmarried.It is possible that she was the...

, to the Northumbrian king Æthelred I
Æthelred I of Northumbria
Æthelred was king of Northumbria from 774 to 779 and again from 788 or 789 until his murder in 796. He became king after Alhred was deposed...

 in 792. His reign was once seen by historians as part of a process leading to a unified England, but this is no longer the majority view. In the words of a recent historian: "Offa was driven by a lust for power, not a vision of English unity; and what he left was a reputation, not a legacy." Offa died in 796 and was succeeded by his son, Ecgfrith
Ecgfrith of Mercia
Ecgfrith was a King of Mercia who briefly ruled in the year 796. He was the son and heir of King Offa of Mercia and his wife Cynethryth. In 787, Offa had Ecgfrith crowned as co-ruler. He succeeded his father in July 796, but despite Offa's efforts to secure his son's succession, it is recorded...

, who reigned for less than five months before Coenwulf of Mercia
Coenwulf of Mercia
Coenwulf was King of Mercia from December 796 to 821. He was a descendant of a brother of King Penda, who had ruled Mercia in the middle of the 7th century. He succeeded Ecgfrith, the son of Offa; Ecgfrith only reigned for five months, with Coenwulf coming to the throne in the same year that Offa...

 became king.

Background and sources

In the first half of the eighth century, the dominant Anglo-Saxon ruler was King Æthelbald of Mercia, who by 731 had become the overlord of all the provinces south of the river Humber
Humber
The Humber is a large tidal estuary on the east coast of Northern England. It is formed at Trent Falls, Faxfleet, by the confluence of the tidal River Ouse and the tidal River Trent. From here to the North Sea, it forms part of the boundary between the East Riding of Yorkshire on the north bank...

. Æthelbald was one of a number of strong Mercian kings who ruled from the mid-seventh century to the early ninth, and it was not until the reign of Egbert of Wessex
Egbert of Wessex
Egbert was King of Wessex from 802 until his death in 839. His father was Ealhmund of Kent...

 in the ninth century that Mercian power began to wane.

The power and prestige that Offa attained made him one of the most significant rulers in the Early Medieval
Early Middle Ages
The Early Middle Ages was the period of European history lasting from the 5th century to approximately 1000. The Early Middle Ages followed the decline of the Western Roman Empire and preceded the High Middle Ages...

 British Isles, though no contemporary biography of him survives. A key source for the period is the Anglo-Saxon Chronicle
Anglo-Saxon Chronicle
The Anglo-Saxon Chronicle is a collection of annals in Old English chronicling the history of the Anglo-Saxons. The original manuscript of the Chronicle was created late in the 9th century, probably in Wessex, during the reign of Alfred the Great...

, a collection of annals in Old English narrating the history of the Anglo-Saxons. The Chronicle was a West Saxon
Wessex
The Kingdom of Wessex or Kingdom of the West Saxons was an Anglo-Saxon kingdom of the West Saxons, in South West England, from the 6th century, until the emergence of a united English state in the 10th century, under the Wessex dynasty. It was to be an earldom after Canute the Great's conquest...

 production, however, and is sometimes thought to be biased in favour of Wessex; hence it may not accurately convey the extent of power achieved by Offa, a Mercian. That power can be seen at work in charters
Anglo-Saxon Charters
Anglo-Saxon charters are documents from the early medieval period in Britain which typically make a grant of land or record a privilege. The earliest surviving charters were drawn up in the 670s; the oldest surviving charters granted land to the Church, but from the eighth century surviving...

 dating from Offa's reign. Charters were documents which granted land to followers or to churchmen and were witnessed by the kings who had the authority to grant the land. A charter might record the names of both a subject king and his overlord on the witness list appended to the grant. Such a witness list can be seen on the Ismere Diploma
Ismere Diploma
The Ismere Diploma is a charter of 736, in which Aethelbald of Mercia grants ten hides of land near Ismere to Cyneberht, his "venerable companion", for the foundation of a coenubium ....

, for example, where Æthelric, son of king Oshere of the Hwicce, is described as a "subregulus", or subking, of Æthelbald's. The eighth century monk and chronicler the Venerable Bede
Bede
Bede , also referred to as Saint Bede or the Venerable Bede , was a monk at the Northumbrian monastery of Saint Peter at Monkwearmouth, today part of Sunderland, England, and of its companion monastery, Saint Paul's, in modern Jarrow , both in the Kingdom of Northumbria...

 wrote a history of the English church called Historia Ecclesiastica Gentis Anglorum
Historia ecclesiastica gentis Anglorum
The Historia ecclesiastica gentis Anglorum is a work in Latin by Bede on the history of the Christian Churches in England, and of England generally; its main focus is on the conflict between Roman and Celtic Christianity.It is considered to be one of the most important original references on...

; the history only covers events up to 731, but as one of the major sources for Anglo-Saxon history it provides important background information for Offa's reign.

Offa's Dyke
Offa's Dyke
Offa's Dyke is a massive linear earthwork, roughly followed by some of the current border between England and Wales. In places, it is up to wide and high. In the 8th century it formed some kind of delineation between the Anglian kingdom of Mercia and the Welsh kingdom of Powys...

, most of which was probably built in his reign, is a testimony to the extensive resources Offa had at his command and his ability to organise them. Other surviving sources include a problematic document known as the Tribal Hidage
Tribal Hidage
Image:Tribal Hidage 2.svg|thumb|400px|alt=insert description of map here|The tribes of the Tribal Hidage. Where an appropriate article exists, it can be found by clicking on the name.rect 275 75 375 100 Elmetrect 375 100 450 150 Hatfield Chase...

, which may provide further evidence of Offa's scope as a ruler, though its attribution to his reign is disputed. A significant corpus of letters dates from the period, especially from Alcuin
Alcuin
Alcuin of York or Ealhwine, nicknamed Albinus or Flaccus was an English scholar, ecclesiastic, poet and teacher from York, Northumbria. He was born around 735 and became the student of Archbishop Ecgbert at York...

, an English deacon and scholar who spent over a decade at Charlemagne
Charlemagne
Charlemagne was King of the Franks from 768 and Emperor of the Romans from 800 to his death in 814. He expanded the Frankish kingdom into an empire that incorporated much of Western and Central Europe. During his reign, he conquered Italy and was crowned by Pope Leo III on 25 December 800...

's court as one of his chief advisors, and corresponded with kings, nobles and ecclesiastics throughout England. These letters in particular reveal Offa's relations with the continent, as does his coin
Coin
A coin is a piece of hard material that is standardized in weight, is produced in large quantities in order to facilitate trade, and primarily can be used as a legal tender token for commerce in the designated country, region, or territory....

age, which was based on Carolingian
Carolingian
The Carolingian dynasty was a Frankish noble family with origins in the Arnulfing and Pippinid clans of the 7th century AD. The name "Carolingian", Medieval Latin karolingi, an altered form of an unattested Old High German *karling, kerling The Carolingian dynasty (known variously as the...

 examples.

Ancestry and family

Offa's ancestry is given in the Anglian collection
Anglian collection
The Anglian collection is a collection of Anglo-Saxon royal genealogies and regnal lists. These survive in four manuscripts; two of which now reside in the British Library...

, a set of genealogies that include lines of descent for four Mercian kings. All four lines descend from Pybba
Pybba of Mercia
Pybba was an early King of Mercia. He was the son of Creoda and father of Penda and Eowa....

, who ruled Mercia early in the seventh century. Offa's line descends through Pybba's son Eowa
Eowa of Mercia
Eowa was a son of the Mercian king Pybba and a brother of the Mercian king Penda; according to the Historia Brittonum and the Annales Cambriae. These two sources state that Eowa was a king of the Mercians himself at the time of the Battle of Maserfield , in which he was killed, on August 5 of what...

 and then through three more generations: Osmod, Eanwulf, and Offa's father, Thingfrith. Æthelbald, who ruled Mercia for most of the forty years before Offa, was also descended from Eowa according to the genealogies: Offa's grandfather, Eanwulf, was Æthelbald's second cousin. Æthelbald granted land to Eanwulf in the territory of the Hwicce, and it is possible that Offa and Æthelbald were from the same branch of the family. In one charter, Offa refers to Æthelbald as his kinsman; and Headbert, Æthelbald's brother, continued to witness charters after Offa came to power.

Offa's wife was Cynethryth
Cynethryth
Cynethryth was the wife of Offa of Mercia and mother of Ecgfrith of Mercia. Cynethryth is the only Anglo-Saxon Queen consort in whose name coinage was definitely issued.-Origins and marriage:...

, whose ancestry is unknown. The couple had a son, Ecgfrith
Ecgfrith of Mercia
Ecgfrith was a King of Mercia who briefly ruled in the year 796. He was the son and heir of King Offa of Mercia and his wife Cynethryth. In 787, Offa had Ecgfrith crowned as co-ruler. He succeeded his father in July 796, but despite Offa's efforts to secure his son's succession, it is recorded...

, and four daughters: Ælfflæd, Eadburh
Eadburh
Eadburh , also spelled Eadburg, was the daughter of King Offa of Mercia and Queen Cynethryth. Married to King Beorhtric of Wessex, Asser's Life of Alfred the Great tells how she accidentally killed her husband by poison. She fled to Francia, where she is said to have been offered the chance of...

, Æthelburh, and Æthelswith. It has been speculated that Æthelburh, who became an abbess, was the abbess of that name who was a kinswoman of King Ealdred of the Hwicce. There are, however, other prominent women named Æthelburh at that period.

Early reign, the midland territories, and the Middle and East Saxons

Æthelbald, who had ruled Mercia since 716, was assassinated in 757. According to a later continuation of Bede's Historia Ecclesiastica (written anonymously after Bede's death) the king was "treacherously murdered at night by his own bodyguards", though the reason why is unrecorded. Æthelbald was initially succeeded by Beornred, about whom little is known. The continuation of Bede comments that Beornred "ruled for a little while, and unhappily", and adds that "the same year, Offa, having put Beornred to flight, sought to gain the kingdom of the Mercians by bloodshed." It is possible that Offa did not gain the throne until 758, however, since a charter of 789 describes Offa as being in the thirty-first year of his reign.

The conflict over the succession suggests that Offa needed to re-establish control over Mercia's traditional dependencies, such as the Hwicce and the Magonsæte. Charters dating from the first two years of Offa's reign show the Hwiccan kings as reguli, or kinglets, under his authority; and it is likely that he was also quick to gain control over the Magonsæte, for whom there is no record of an independent ruler after 740. Offa was probably able to exert control over the kingdom of Lindsey
Kingdom of Lindsey
Lindsey or Linnuis is the name of a petty Anglo-Saxon kingdom, absorbed into Northumbria in the 7th century.It lay between the Humber and the Wash, forming its inland boundaries from the course of the Witham and Trent rivers , and the Foss Dyke between...

 at an early date, as it appears that the independent dynasty of Lindsey had disappeared by this time.

Little is known about the history of the East Saxons
Kingdom of Essex
The Kingdom of Essex or Kingdom of the East Saxons was one of the seven traditional kingdoms of the so-called Anglo-Saxon Heptarchy. It was founded in the 6th century and covered the territory later occupied by the counties of Essex, Hertfordshire, Middlesex and Kent. Kings of Essex were...

 during the eighth century, but what evidence there is indicates that both London and Middlesex, which had been part of the kingdom of Essex, were finally brought under Mercian control during the reign of Æthelbald. Both Æthelbald and Offa granted land in Middlesex and London as they wished; in 767 a charter of Offa's disposed of land in Harrow
Harrow, London
Harrow is an area in the London Borough of Harrow, northwest London, United Kingdom. It is a suburban area and is situated 12.2 miles northwest of Charing Cross...

 without a local ruler as witness. It is likely that both London and Middlesex were quickly under Offa's control at the start of his reign. The East Saxon royal house survived the eighth century, so it is probable that the kingdom of Essex retained its native rulers, but under strong Mercian influence, for most or all of the eighth century.

It is unlikely that Offa had significant influence in the early years of his reign outside the traditional Mercian heartland. The overlordship of the southern English which had been exerted by Æthelbald appears to have collapsed during the civil strife over the succession, and it is not until 764, when evidence emerges of Offa's influence in Kent, that Mercian power can be seen expanding again.

Kent and Sussex

Offa appears to have exploited an unstable situation in Kent after 762. Kent had a long tradition of joint kingship, with east and west Kent under separate kings, though one king was typically dominant. Prior to 762 Kent was ruled by Æthelberht II
Æthelbert II of Kent
Æthelbert II was king of Kent. Upon the death of his father Wihtred s:Ecclesiastical History of the English People/Book 5#23, the kingdom was ruled by his three sons, Æthelbert II, Eadberht I and Ælfric. Æthelbert seems to have outlived both of his brothers and later reigned jointly with his...

 and Eadberht I
Eadbert I of Kent
Eadberht I was king of Kent from 725 to 748. After his father, Wihtred of Kent died, he inherited the kingdom of Kent along with his two brothers Æðelberht II and Ælfric. Æðelberht II seems to have been the eldest and more dominant brother. Eadberht I died in 748, according to the Anglo-Saxon...

; Eadberht's son Eardwulf is also recorded as a king. Æthelberht died in 762, and Eadberht and Eardwulf are last mentioned in that same year. Charters from the next two years mention other kings of Kent, including Sigered
Sigered of Kent
Sigered, King of Kent, jointly with Eadberht II.Sigered is known just from his charters , one of which is dated 762 and witnessed by Eadberht II....

, Eanmund
Eanmund of Kent
Eanmund was a king of Kent, jointly with or in succession to Sigered of Kent.Eanmund is known only from an undated confirmation, witnessed by Archbishop Bregowine , added to a charter of Sigered ....

 and Heahberht. In 764, Offa granted land at Rochester in his own name, with Heahberht on the witness list as king of Kent. Another king of Kent, Egbert
Egbert II of Kent
Ecgberht II was King of Kent jointly with Heaberht.Ecgberht II is known from his coins and charters, ranging from 765 to 779 , two of which were witnessed or confirmed by Heaberht.Ecgberht II acceded by 765, when he issued his earliest surviving charter...

, appears on a charter in 765 along with Heahberht; the charter was subsequently confirmed by Offa. Offa's influence in Kent at this time is clear, and it has been suggested that Heahberht was installed by Offa as his client. There is less agreement among historians on whether Offa had general overlordship of Kent thereafter. He is known to have revoked a charter of Egbert's on the grounds that "it was wrong that his thegn should have presumed to give land allotted to him by his lord into the power of another without his witness", but the date of Egbert's original grant is unknown, as is the date of Offa's revocation of it. It may be that Offa was the effective overlord of Kent from 764 until at least 776. The limited evidence for Offa's direct involvement in the kingdom between 765 and 776 includes two charters of 774 in which he grants land in Kent; but there are doubts about their authenticity, so Offa's intervention in Kent prior to 776 may have been limited to the years 764–765.

The Anglo-Saxon Chronicle
Anglo-Saxon Chronicle
The Anglo-Saxon Chronicle is a collection of annals in Old English chronicling the history of the Anglo-Saxons. The original manuscript of the Chronicle was created late in the 9th century, probably in Wessex, during the reign of Alfred the Great...

records that "the Mercians and the inhabitants of Kent fought at Otford
Otford
Otford is a village and civil parish in the Sevenoaks District of Kent known for its classically British countryside. The village is located on the River Darent, flowing north down its valley from its source on the North Downs...

" in 776, but does not give the outcome of the battle. It has traditionally been interpreted as a Mercian victory, but there is no evidence for Offa's authority over Kent until 785: a charter from 784 mentions only a Kentish king named Ealhmund
Ealhmund of Kent
Ealhmund was King of Kent in 784.The only contemporary evidence of him is an abstract of a charter dated in that year, in which Ealhmund granted land to the Abbot of Reculver...

, which may indicate that the Mercians were in fact defeated at Otford. The cause of the conflict is also unknown: if Offa was ruling Kent before 776, the battle of Otford was probably a rebellion against Mercian control. However, Ealhmund does not appear again in the historical record, and a sequence of charters by Offa from the years 785–789 makes his authority clear. During these years he treated Kent "as an ordinary province of the Mercian kingdom", and his actions have been seen as going beyond the normal relation of overlordship and extending to the annexation of Kent and the elimination of a local royal line. After 785, in the words of one historian, "Offa was the rival, not the overlord, of Kentish kings". Mercian control lasted until 796, the year of Offa's death, when Eadberht Praen was temporarily successful in regaining Kentish independence.

Ealhmund was probably the father of Egbert of Wessex
Egbert of Wessex
Egbert was King of Wessex from 802 until his death in 839. His father was Ealhmund of Kent...

, and it is possible that Offa's interventions in Kent in the mid-780s are connected to the subsequent exile of Egbert to Francia. The Chronicle claims that when Egbert invaded Kent in 825, the men of the southeast turned to him "because earlier they were wrongly forced away from his relatives". This is likely to be an allusion to Ealhmund, and may imply that Ealhmund had a local overlordship of the southeastern kingdoms. If so, Offa's intervention was probably intended to gain control of this relationship and take over the dominance of the associated kingdoms.

The evidence for Offa's involvement in the kingdom of Sussex
Kingdom of Sussex
The Kingdom of Sussex or Kingdom of the South Saxons was a Saxon colony and later independent kingdom of the Saxons, on the south coast of England. Its boundaries coincided in general with those of the earlier kingdom of the Regnenses and the later county of Sussex. A large part of its territory...

 comes from charters, and as with Kent there is no clear consensus among historians on the course of events. What little evidence survives that bears on Sussex's kings indicates that several kings ruled at once, and it may never have formed a single kingdom. It has been argued that Offa's authority was recognised early in his reign by local kings in western Sussex, but that eastern Sussex (the area around Hastings) submitted to him less readily. Simeon of Durham, a twelfth-century chronicler, records that in 771 Offa defeated "the people of Hastings", which may record the extension of Offa's dominion over the entire kingdom. However, doubts have been expressed about the authenticity of the charters which support this version of events, and it is possible that Offa's direct involvement in Sussex was limited to a short period around 770–771. After 772, there is no further evidence of Mercian involvement in Sussex until c. 790, and it may be that Offa gained control of Sussex in the late 780s, as he did in Kent.

East Anglia, Wessex and Northumbria

In East Anglia, Beonna
Beorna of East Anglia
Beorna was a ruler in East Anglia from 749. The end-date of his reign is not known, but may have been around 760 AD. He shared his reign with another ruler called Alberht , and possibly with another named Hun.The primary sources for Beonna are very few...

 probably became king in about 758. Beonna's first coinage predates Offa's own, and implies independence from Mercia. Subsequent East Anglian history is quite obscure, but in 779 Æthelberht II became king, and was independent long enough to issue coins of his own. In 794, according to the Anglo-Saxon Chronicle, "King Offa ordered King Æthelberht's head to be struck off". Offa minted pennies in East Anglia in the early 790s, so it is likely that Æthelberht rebelled against Offa and was beheaded as a result. Accounts of the event have survived in which Aethelberht is killed through the machinations of Offa's wife Cynethryth, but the earliest manuscripts in which these possibly legendary accounts are found date from the eleventh and twelfth centuries, and recent historians do not regard them with confidence. The legend also claims that Æthelberht was killed at Sutton St. Michael and buried four miles (6 km) to the south at Hereford
Hereford
Hereford is a cathedral city, civil parish and county town of Herefordshire, England. It lies on the River Wye, approximately east of the border with Wales, southwest of Worcester, and northwest of Gloucester...

, where his cult flourished, becoming at one time second only to Canterbury as a pilgrimage destination.

To the south of Mercia, Cynewulf
Cynewulf of Wessex
Cynewulf was the King of Wessex from 757 until his death in 786.Cynewulf became king after his predecessor, Sigeberht, was deposed. He may have come to power under the influence of Æthelbald of Mercia, since he was recorded as a witness to a charter of Æthelbald shortly thereafter...

 came to the throne of Wessex
Wessex
The Kingdom of Wessex or Kingdom of the West Saxons was an Anglo-Saxon kingdom of the West Saxons, in South West England, from the 6th century, until the emergence of a united English state in the 10th century, under the Wessex dynasty. It was to be an earldom after Canute the Great's conquest...

 in 757 and recovered much of the border territory that Æthelbald had conquered from the West Saxons. Offa won an important victory over Cynewulf at the Battle of Bensington (in Oxfordshire
Oxfordshire
Oxfordshire is a county in the South East region of England, bordering on Warwickshire and Northamptonshire , Buckinghamshire , Berkshire , Wiltshire and Gloucestershire ....

) in 779, reconquering some of the land along the Thames. No indisputably authentic charters from before this date show Cynewulf in Offa's entourage, and there is no evidence that Offa ever became Cynewulf's overlord. In 786, after the murder of Cynewulf, Offa may have intervened to place Beorhtric
Beorhtric of Wessex
Beorhtric was the King of Wessex from 786 to 802.In 786, Cynewulf, king of Wessex, was killed by the exiled noble Cyneheard, brother of the former King Sigeberht. Beorhtric's successful bid for the throne was supported by Offa, king of the Mercians against Egbert...

 on the West Saxon throne. Even if Offa did not assist Beorhtric's claim, it seems likely that Beorhtric to some extent recognised Offa as his overlord shortly thereafter. Offa's currency was used across the West Saxon kingdom, and Beorhtric had his own coins minted only after Offa's death. In 789, Beorhtric married Eadburh
Eadburh
Eadburh , also spelled Eadburg, was the daughter of King Offa of Mercia and Queen Cynethryth. Married to King Beorhtric of Wessex, Asser's Life of Alfred the Great tells how she accidentally killed her husband by poison. She fled to Francia, where she is said to have been offered the chance of...

, a daughter of Offa; the Chronicle records that the two kings combined to exile Egbert to Francia for "three years", adding that "Beorhtric helped Offa because he had his daughter as his queen". Some historians believe that the Chronicle's "three years" is an error, and should read "thirteen years", which would mean Egbert's exile lasted from 789 to 802, but this reading is disputed. Eadburh is mentioned by Asser
Asser
Asser was a Welsh monk from St David's, Dyfed, who became Bishop of Sherborne in the 890s. About 885 he was asked by Alfred the Great to leave St David's and join the circle of learned men whom Alfred was recruiting for his court...

, a ninth-century monk who wrote a biography of Alfred the Great
Alfred the Great
Alfred the Great was King of Wessex from 871 to 899.Alfred is noted for his defence of the Anglo-Saxon kingdoms of southern England against the Vikings, becoming the only English monarch still to be accorded the epithet "the Great". Alfred was the first King of the West Saxons to style himself...

: Asser says that Eadburh had "power throughout almost the entire kingdom", and that she "began to behave like a tyrant after the manner of her father". Whatever power she had in Wessex was no doubt connected with her father's overlordship.

If Offa did not gain the advantage in Wessex until defeating Cynewulf in 779, it may be that his successes south of the river were a necessary prerequisite to his interventions in the southeast. In this view, Egbert of Kent's death in about 784 and Cynewulf's death in 786 were the events that allowed Offa to gain control of Kent and bring Beorhtric into his sphere of influence. This version of events also assumes that Offa did not have control of Kent after 764–765, as some historians believe.

Offa's marital alliances extended to Northumbria
Northumbria
Northumbria was a medieval kingdom of the Angles, in what is now Northern England and South-East Scotland, becoming subsequently an earldom in a united Anglo-Saxon kingdom of England. The name reflects the approximate southern limit to the kingdom's territory, the Humber Estuary.Northumbria was...

 when his daughter Ælfflæd
Ælfflæd of Mercia
Ælfflæd was a daughter of Offa of Mercia and Cynethryth.She may have witnessed a charter with her father, mother, and brother Ecgfrith in the 770s, and again in 787 with her mother, father, brother, and two sisters; here she is described as virgo—unmarried.It is possible that she was the...

 married Æthelred I of Northumbria
Æthelred I of Northumbria
Æthelred was king of Northumbria from 774 to 779 and again from 788 or 789 until his murder in 796. He became king after Alhred was deposed...

 at Catterick
Catterick, North Yorkshire
Catterick , sometimes Catterick Village, to distinguish it from the nearby Catterick Garrison, is a village and civil parish in the Richmondshire district of North Yorkshire, England...

 in 792. However, there is no evidence that Northumbria was ever under Mercian control during Offa's reign.

Wales and Offa's Dyke

Offa was frequently in conflict with the various Welsh
Wales
Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

 kingdoms. There was a battle between the Mercians and the Welsh at Hereford
Hereford
Hereford is a cathedral city, civil parish and county town of Herefordshire, England. It lies on the River Wye, approximately east of the border with Wales, southwest of Worcester, and northwest of Gloucester...

 in 760, and Offa is recorded as campaigning against the Welsh in 778, 784 and 796 in the tenth-century Annales Cambriae
Annales Cambriae
Annales Cambriae, or The Annals of Wales, is the name given to a complex of Cambro-Latin chronicles deriving ultimately from a text compiled from diverse sources at St David's in Dyfed, Wales, not later than the 10th century...

.

The best known relic associated with Offa's time is Offa's Dyke
Offa's Dyke
Offa's Dyke is a massive linear earthwork, roughly followed by some of the current border between England and Wales. In places, it is up to wide and high. In the 8th century it formed some kind of delineation between the Anglian kingdom of Mercia and the Welsh kingdom of Powys...

, a great earthen barrier that runs approximately along the border between England and Wales
Wales
Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

. It is mentioned by the monk Asser
Asser
Asser was a Welsh monk from St David's, Dyfed, who became Bishop of Sherborne in the 890s. About 885 he was asked by Alfred the Great to leave St David's and join the circle of learned men whom Alfred was recruiting for his court...

 in his biography of Alfred the Great: "a certain vigorous king called Offa...had a great dyke built between Wales and Mercia from sea to sea". The dyke has not been dated by archaeological methods, but most historians find no reason to doubt Asser's attribution. Early names for the dyke in both Welsh and English also support the attribution to Offa. Despite Asser's comment that the dyke ran "from sea to sea", it is now thought that the original structure only covered about two-thirds of the length of the border: in the north it ends near Llanfynydd
Llanfynydd
Llanfynydd is a village in Carmarthenshire, Wales.In protest over plans to erect a wind farm nearby, on 19 July 2004 the village adopted the new name of Llanhyfrydawelllehynafolybarcudprindanfygythiadtrienusyllafnauole...

, less than five miles (8 km) from the coast, while in the south it stops at Rushock Hill, near Kington
Kington, Herefordshire
Kington is a market town and civil parish in Herefordshire, England. According to the 2001 census it had a population of 2,597.-Location:Kington is near the Wales-England border and, despite being on the western side of Offa's Dyke, has been English for over a thousand years. The town is in the...

 in Herefordshire
Herefordshire
Herefordshire is a historic and ceremonial county in the West Midlands region of England. For Eurostat purposes it is a NUTS 3 region and is one of three counties that comprise the "Herefordshire, Worcestershire and Gloucestershire" NUTS 2 region. It also forms a unitary district known as the...

, less than fifty miles (80 km) from the Bristol Channel
Bristol Channel
The Bristol Channel is a major inlet in the island of Great Britain, separating South Wales from Devon and Somerset in South West England. It extends from the lower estuary of the River Severn to the North Atlantic Ocean...

. The total length of this section is about sixty-four miles (103 km). Other earthworks exist along the Welsh border, of which Wat's Dyke
Wat's Dyke
Wat's Dyke is a 40 mile earthwork running through the northern Welsh Marches from Basingwerk Abbey on the River Dee estuary, passing to the east of Oswestry and onto Maesbury in Shropshire, England...

 is one of the largest, but it is not possible to date them relative to each other and so it cannot be determined whether Offa's Dyke was a copy of or the inspiration for Wat's Dyke.

The construction of the dyke suggests that it was built to create an effective barrier and to command views into Wales. This implies that the Mercians who built it were free to choose the best location for the dyke. There are settlements to the west of the dyke that have names that imply they were English by the eighth century, so it may be that in choosing the location of the barrier the Mercians were consciously surrendering some territory to the native Britons. Alternatively it may be that these settlements had already been retaken by the Welsh, implying a defensive role for the barrier. The effort and expense that must have gone into building the dyke are impressive, and suggest that the king who had it built (whether Offa or someone else) had considerable resources at his disposal.

Church

Offa ruled as a Christian king, but despite being praised by Charlemagne's advisor, Alcuin, for his piety and efforts to "instruct [his people] in the precepts of God", he came into conflict with Jaenberht, the Archbishop of Canterbury
Archbishop of Canterbury
The Archbishop of Canterbury is the senior bishop and principal leader of the Church of England, the symbolic head of the worldwide Anglican Communion, and the diocesan bishop of the Diocese of Canterbury. In his role as head of the Anglican Communion, the archbishop leads the third largest group...

. Jaenberht had been a supporter of Egbert II of Kent, which may have led to conflict in the 760s when Offa is known to have intervened in Kent. Offa rescinded grants made to Canterbury by Egbert, and it is also known that Jaenberht claimed the monastery of Cookham, which was in Offa's possession.

In 786 Pope Adrian I
Pope Adrian I
Pope Adrian was pope from February 1, 772 to December 25, 795. He was the son of Theodore, a Roman nobleman.Shortly after Adrian's accession the territory ruled by the papacy was invaded by Desiderius, king of the Lombards, and Adrian was compelled to seek the assistance of the Frankish king...

 sent papal legate
Papal legate
A papal legate – from the Latin, authentic Roman title Legatus – is a personal representative of the pope to foreign nations, or to some part of the Catholic Church. He is empowered on matters of Catholic Faith and for the settlement of ecclesiastical matters....

s to England to assess the state of the church and provide canons (ecclesiastical decrees) for the guidance of the English kings, nobles and clergy. This was the first papal mission to England since Augustine
Augustine of Canterbury
Augustine of Canterbury was a Benedictine monk who became the first Archbishop of Canterbury in the year 597...

 had been sent by Pope Gregory the Great in 597 to convert the Anglo-Saxons. The legates were George, the Bishop of Ostia
Bishop of Ostia
The Bishop of Ostia is the head of the Suburbicarian Diocese of Ostia, one of the seven suburbicarian sees of Rome. The position is now attached to the post of Dean of the College of Cardinals, as it has been since 1150, with the actual governance of the diocese entrusted to the Vicar General of...

, and Theophylact, the Bishop of Todi
Diocese of Todi
The Italian Catholic diocese of Todi existed until 1986, when it was united into the diocese of Orvieto-Todi. It was directly dependent on the Holy See.-History:During the Gothic War the city of Todi withstood Totila during a long and severe siege...

. They visited Canterbury first, and then were received by Offa at his court. Both Offa and Cynewulf
Cynewulf
Cynewulf is one of twelve Anglo-Saxon poets known by name today, and one of four whose work survives today. He is famous for his religious compositions, and is regarded as one of the pre-eminent figures of Old English Christian poetry. Posterity knows of his name by means of runic signatures that...

, king of the West Saxons, attended a council where the goals of the mission were discussed. George then went to Northumbria, while Theophylact visited Mercia and "parts of Britain". A report on the mission, sent by the legates to Pope Adrian, gives details of a council held by George in Northumbria, and the canons issued there, but little detail survives of Theophylact's mission. After the northern council George returned to the south and another council was held, attended by both Offa and Jaenberht, at which further canons were issued.

In 787, Offa succeeded in reducing the power of Canterbury through the establishment of a rival archdiocese at Lichfield
Diocese of Lichfield
The Diocese of Lichfield is a Church of England diocese in the Province of Canterbury, England. The bishop's seat is located in the Cathedral Church of the Blessed Virgin Mary and Saint Chad in the city of Lichfield. The diocese covers 4,516 km² The Diocese of Lichfield is a Church of England...

. The issue must have been discussed with the papal legates in 786, although it is not mentioned in the accounts that have survived. The Anglo-Saxon Chronicle reports a "contentious synod" in 787 at Chelsea, which approved the creation of the new archbishopric. It has been suggested that this synod was the same gathering as the second council held by the legates, but historians are divided on this issue. Hygeberht, already Bishop of Lichfield
Lichfield
Lichfield is a cathedral city, civil parish and district in Staffordshire, England. One of eight civil parishes with city status in England, Lichfield is situated roughly north of Birmingham...

, became the new archdiocese's first and only archbishop, and by the end of 788 he received the pallium
Pallium
The pallium is an ecclesiastical vestment in the Roman Catholic Church, originally peculiar to the Pope, but for many centuries bestowed by him on metropolitans and primates as a symbol of the jurisdiction delegated to them by the Holy See. In that context it has always remained unambiguously...

, a symbol of his authority, from Rome. The new archdiocese included the sees of Worcester, Hereford, Leicester, Lindsey, Dommoc and Elmham; these were essentially the midland Anglian territories. Canterbury retained the sees in the south and southeast.

The few accounts of the creation of the new archbishopric date from after the end of Offa's reign. Two versions of the events appear in the form of an exchange of letters between Coenwulf, who became king of Mercia shortly after Offa's death, and Pope Leo III
Pope Leo III
Pope Saint Leo III was Pope from 795 to his death in 816. Protected by Charlemagne from his enemies in Rome, he subsequently strengthened Charlemagne's position by crowning him as Roman Emperor....

, in 798. Coenwulf asserts in his letter that Offa wanted the new archdiocese created out of enmity for Jaenberht; but Leo responds that the only reason the papacy agreed to the creation was because of the size of the kingdom of Mercia. Both Coenwulf and Leo had their own reasons for representing the situation as they did: Coenwulf was entreating Leo to make London the sole southern archdiocese, while Leo was concerned to avoid the appearance of complicity with the unworthy motives Coenwulf imputed to Offa. These are therefore partisan comments. However, both the size of Offa's territory and his relationship with Jaenberht and Kent are indeed likely to have been factors in Offa's request for the creation of the new archdiocese. Coenwulf's version has independent support, with a letter from Alcuin to Archbishop Æthelheard
Æthelhard
Æthelhard was a Bishop of Winchester then an Archbishop of Canterbury in medieval England. Appointed by King Offa of Mercia, Æthelhard had difficulties with both the Kentish monarchs and with a rival archiepiscopate in southern England, and was deposed around 796 by King Eadberht III Præn of Kent...

 giving his opinion that Canterbury's archdiocese had been divided "not, as it seems, by reasonable consideration, but by a certain desire for power". Æthelheard himself later said that the award of a pallium to Lichfield depended on "deception and misleading suggestion".

Another possible reason for the creation of an archbishopric at Lichfield relates to Offa's son, Ecgfrith. After Hygeberht became archbishop, he consecrated Ecgfrith as king; the ceremony took place within a year of Hygeberht's elevation. It is possible that Jaenberht refused to perform the ceremony, and that Offa needed an alternative archbishop for that purpose. The ceremony itself is noteworthy for two reasons: it is the first recorded consecration of any English king, and it is unusual in that it asserted Ecgfrith's royal status while his father was still alive. Offa would have been aware that Charlemagne's sons, Pippin
Pepin the Hunchback
Pepin , the Hunchback was the eldest son of Charlemagne by Himiltrude. He is known in French as Pépin le Bossu.Accounts describe Pepin as normally proportioned with attractive features...

 and Louis
Louis the Pious
Louis the Pious , also called the Fair, and the Debonaire, was the King of Aquitaine from 781. He was also King of the Franks and co-Emperor with his father, Charlemagne, from 813...

, had been consecrated as kings by Pope Adrian, and probably wished to emulate the impressive dignity of the Frankish court. Other precedents did exist: Æthelred of Mercia is said to have nominated his son Coenred as king during his lifetime, and Offa may have known of Byzantine examples of royal consecration.

Despite the creation of the new archdiocese, Jaenberht retained his position as the senior cleric in the land, with Hygeberht conceding his precedence. When Jaenberht died in 792, he was replaced by Æthelheard, who was consecrated by Hygeberht, now senior in his turn. Subsequently Æthelheard appears as a witness on charters and presides at synods without Hygeberht, so it appears that Offa continued to respect Canterbury's authority.

A letter from Pope Adrian to Charlemagne survives which makes reference to Offa, but the date is uncertain; it may be as early as 784 or as late as 791. In it Adrian recounts a rumour that had reached him: Offa had reportedly proposed to Charlemagne that Adrian should be deposed, and replaced by a Frankish pope. Adrian disclaims all belief in the rumour, but it is clear it had been a concern to him. The enemies of Offa and Charlemagne, described by Adrian as the source of the rumour, are not named. It is unclear whether this letter is related to the legatine mission of 786; if it predates it, then the mission might have been partly one of reconciliation, but the letter might well have been written after the mission.

Offa was a generous patron of the church, founding several churches and monasteries, often dedicated to St Peter. Among these was St Albans Abbey, which he probably founded in the early 790s. He also promised a yearly gift of 365 mancus
Mancus
Mancus was a term used in early medieval Europe to denote either a gold coin, a weight of gold of 4.25g , or a unit of account of thirty silver pence. This made it worth about a months wages for a skilled worker, such as a craftsman or a soldier...

es to Rome; a mancus was a term of account equivalent to thirty silver pennies, derived from Abbasid
Abbasid
The Abbasid Caliphate or, more simply, the Abbasids , was the third of the Islamic caliphates. It was ruled by the Abbasid dynasty of caliphs, who built their capital in Baghdad after overthrowing the Umayyad caliphate from all but the al-Andalus region....

 gold coins that were circulating in Francia at the time. Control of religious houses was one way in which a ruler of the day could provide for his family, and to this end Offa ensured (by acquiring papal privileges) that many of them would remain the property of his wife or children after his death. This policy of treating religious houses as worldly possessions represents a change from the early eighth century, when many charters showed the foundation and endowment of small minsters, rather than the assignment of those lands to laypeople. In the 770s, an abbess named Æthelburh (who may have been the same person as Offa's daughter of that name) held multiple leases on religious houses in the territory of the Hwicce; her acquisitions have been described as looking "like a speculator assembling a portfolio". Æthelburh's possession of these lands foreshadows Cynethryth's control of religious lands, and the pattern was continued in the early ninth century by Cwoenthryth, the daughter of King Coenwulf
Coenwulf of Mercia
Coenwulf was King of Mercia from December 796 to 821. He was a descendant of a brother of King Penda, who had ruled Mercia in the middle of the 7th century. He succeeded Ecgfrith, the son of Offa; Ecgfrith only reigned for five months, with Coenwulf coming to the throne in the same year that Offa...

.

Either Offa or Ine of Wessex
Ine of Wessex
Ine was King of Wessex from 688 to 726. He was unable to retain the territorial gains of his predecessor, Cædwalla, who had brought much of southern England under his control and expanded West Saxon territory substantially...

 is traditionally supposed to have founded the Schola Saxonum in Rome, in what is today the Roman rione
Rione
Rione is the name given to a ward in several Italian cities, the best-known of which is Rome. Unlike a quartiere, a rione is usually an official administrative subdivision...

, or district, of Borgo
Borgo (rione of Rome)
Borgo , is the 14th historic district of Rome, Italy. It lies on the west bank of the Tiber, and has a trapezoidal shape. Its coat of arms shows a lion , lying in front of three mounts and a star...

. The Schola Saxonum took its name from the militias of Saxons who served in Rome, but it eventually developed into a hostelry for English visitors to the city.

European connections

Offa's diplomatic relations with Europe are well documented, but appear to belong only to the last dozen years of his reign. In letters dating from the late 780s or early 790s, Alcuin congratulates Offa for encouraging education and greets Offa's wife and son, Cynethryth and Ecgfrith. In about 789, or shortly before, Charlemagne proposed that his son Charles marry one of Offa's daughters, most likely Ælfflæd. Offa countered with a request that his son Ecgfrith should also marry Charlemagne's daughter Bertha: Charlemagne was outraged by the request, and broke off contact with Britain, forbidding English ships from landing in his ports. Alcuin's letters make it clear that by the end of 790 the dispute was still not resolved, and that Alcuin was hoping to be sent to help make peace. In the end diplomatic relations were restored, at least partly by the agency of Gervold, the abbot of St Wandrille
Fontenelle Abbey
Fontenelle Abbey or the Abbey of St. Wandrille is a Benedictine monastery in the commune of Saint-Wandrille-Rançon near Caudebec-en-Caux in Seine-Maritime, Normandy, France.-First foundation:...

.

Charlemagne sought support from the English church at the council of Frankfurt
Council of Frankfurt
The Council of Frankfurt in 794 was called by Charlemagne. This church council condemned the Adoptionist heresy and revoked decrees regarding the holy icons which were established in 787 at the Second Council of Nicaea...

 in 794, where the canons passed in 787 at the second council of Nicaea
Second Council of Nicaea
The Second Council of Nicaea is regarded as the Seventh Ecumenical Council by Roman Catholics, Eastern Orthodox, Eastern Catholic Churches and various other Western Christian groups...

 were repudiated, and the heresies of two Spanish bishops, Felix and Elipandus
Elipando
Elipando was a Spanish archbishop of Toledo and theologian. He was one of the founders of the Adeoptivi sect....

, were condemned. In 796, Charlemagne wrote to Offa; the letter survives and refers to a previous letter of Offa's to Charlemagne. This correspondence between the two kings produced the first surviving documents in English diplomatic history. The letter is primarily concerned with the status of English pilgrims on the continent and with diplomatic gifts, but it reveals much about the relations between the English and the Franks. Charlemagne refers to Offa as his "brother", and mentions trade in black stones, sent from the continent to England, and cloaks (or possibly cloths), traded from England to the Franks. Charlemagne's letter also refers to exiles from England, naming Odberht, who was almost certainly the same person as Eadberht Praen
Eadberht III Præn
Eadberht III Præn was the King of Kent from 796 to 798. His brief reign was the result of a rebellion against the hegemony of Mercia, and it marked the last time that Kent existed as an independent kingdom....

, among them. Egbert of Wessex
Egbert of Wessex
Egbert was King of Wessex from 802 until his death in 839. His father was Ealhmund of Kent...

 was another refugee from Offa who took shelter at the Frankish court. It is clear that Charlemagne's policy included support for elements opposed to Offa; in addition to sheltering Egbert and Eadberht he also sent gifts to Æthelred I of Northumbria
Æthelred I of Northumbria
Æthelred was king of Northumbria from 774 to 779 and again from 788 or 789 until his murder in 796. He became king after Alhred was deposed...

.

Events in southern Britain to 796 have sometimes been portrayed as a struggle between Offa and Charlemagne, but the disparity in their power was enormous. By 796 Charlemagne had become master of an empire which stretched from the Atlantic Ocean
Atlantic Ocean
The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

 to the Great Hungarian Plain
Great Hungarian Plain
The Great Hungarian Plain is a plain occupying the southern and eastern part of Hungary, some parts of the Eastern Slovak Lowland, southwestern Ukraine, the Transcarpathian Lowland , western Romania , northern Serbia , and eastern Croatia...

, and Offa and then Coenwulf were clearly minor figures by comparison.

Government

The nature of Mercian kingship is not clear from the limited surviving sources. There are two main theories regarding the ancestry of Mercian kings of this period. One is that descendants of different lines of the royal family competed for the throne. In the mid-seventh century, for example, Penda
Penda of Mercia
Penda was a 7th-century King of Mercia, the Anglo-Saxon kingdom in what is today the English Midlands. A pagan at a time when Christianity was taking hold in many of the Anglo-Saxon kingdoms, Penda took over the Severn Valley in 628 following the Battle of Cirencester before participating in the...

 had placed royal kinsmen in control of conquered provinces. Alternatively, it may be that a number of kin-groups with local power-bases may have competed for the succession. The sub-kingdoms of the Hwicce
Hwicce
The Hwicce were one of the peoples of Anglo-Saxon England. The exact boundaries of their kingdom are uncertain, though it is likely that they coincided with those of the old Diocese of Worcester, founded in 679–80, the early bishops of which bore the title Episcopus Hwicciorum...

, the Tomsæte, and the unidentified Gaini are examples of such power-bases. Marriage alliances could also have played a part. Competing magnates, those called in charters "dux" or "princeps" (that is, leaders), may have brought the kings to power. In this model, the Mercian kings are little more than leading noblemen. Offa seems to have attempted to increase the stability of Mercian kingship, both by the elimination of dynastic rivals to his son Ecgfrith, and the reduction in status of his subject kings, sometimes to the rank of ealdorman. He was ultimately unsuccessful, however; Ecgfrith only survived in power for a few months, and ninth-century Mercia continued to draw its kings from multiple dynastic lines.

There is evidence that Offa constructed a series of defensive burh
Burh
A Burh is an Old English name for a fortified town or other defended site, sometimes centred upon a hill fort though always intended as a place of permanent settlement, its origin was in military defence; "it represented only a stage, though a vitally important one, in the evolution of the...

s
, or fortified towns; the locations are not generally agreed on but may include Bedford, Hereford, Northampton, Oxford, and Stamford. In addition to their defensive uses, these burhs are thought to have been administrative centres, serving as regional markets and indicating a transformation of the Mercian economy away from its origins as a grouping of midland peoples. The burhs are forerunners of the defensive network successfully implemented by Alfred the Great a century later to deal with the Danish invasions. However, Offa did not necessarily understand the economic changes that came with the burhs, so it is not safe to assume he envisioned all their benefits. In 749, Æthelbald of Mercia had issued a charter that freed ecclesiastical lands from all obligations except the requirement to build forts and bridges—obligations which lay upon everyone, as part of the trinoda necessitas
Trinoda necessitas
Trinoda necessitas is a Latin term used to refer to a "threefold tax" in Anglo-Saxon times. Subjects of an Anglo-Saxon king were required to yield three services: bridge-bote , burgh-bote , and fyrd-bote...

. Offa's Kentish charters show him laying these same burdens on the recipients of his grants there, and this may be a sign that the obligations were being spread outside Mercia. These burdens were part of Offa's response to the threat of "pagan seaman".

Offa issued laws in his name, but no details of them have survived. They are known only from a mention by Alfred the Great, in the preface to Alfred's own law code. Alfred says that he has included in his code those laws of Offa, Ine of Wessex
Ine of Wessex
Ine was King of Wessex from 688 to 726. He was unable to retain the territorial gains of his predecessor, Cædwalla, who had brought much of southern England under his control and expanded West Saxon territory substantially...

 and Æthelberht of Kent which he found "most just". The laws may have been an independent lawcode, but it is also possible that Alfred is referring to the report of the legatine mission in 786, which issued statutes that the Mercians undertook to obey.

Coinage

At the start of the eighth century, sceattas were the primary circulating coinage. These were small silver pennies, which often did not bear the name of either the moneyer or the king for whom they were produced. To contemporaries these were probably known as pennies, and are the coins referred to in the laws of Ine of Wessex
Ine of Wessex
Ine was King of Wessex from 688 to 726. He was unable to retain the territorial gains of his predecessor, Cædwalla, who had brought much of southern England under his control and expanded West Saxon territory substantially...

. This light coinage (in contrast to the heavier coins minted later in Offa's reign) can probably be dated to the late 760s and early 770s. A second, medium-weight coinage can be identified before the early 790s. These new medium-weight coins were heavier, broader, and thinner than the pennies they replaced, and were prompted by the contemporary Carolingian currency reforms. The new pennies almost invariably carried both Offa's name and the name of the moneyer from whose mint the coins came. The reform in the coinage appears to have extended beyond Offa's own mints: the kings of East Anglia, Kent and Wessex all produced coins of the new heavier weight in this period.

Some coins from Offa's reign bear the names of the archbishops of Canterbury, Jaenberht and, after 792, Æthelheard. Jaenberht's coins all belong to the light coinage, rather than the later medium coinage. There is also evidence that coins were issued by Eadberht
Eadbrightus
Eadberht was a medieval Bishop of London.Eadberht was consecrated between 772 and 782. He died between 787 and 789.-External links:*...

, who was bishop of London in the 780s and possibly before. Offa's dispute with Jaenberht may have led him to allow Eadberht coining rights, which may then have been revoked when the see of Lichfield was elevated to an archbishopric.

The medium-weight coins often carry designs of high artistic quality, exceeding that of the contemporary Frankish currency. Coin portraits of Offa have been described as "showing a delicacy of execution which is unique in the whole history of the Anglo-Saxon coinage". The depictions of Offa on the coins include a "striking and elegant" portrait showing him with his hair in voluminous curls, and another where he wears a fringe and tight curls. Some coins show him wearing a necklace with a pendant. The variety of these depictions implies that Offa's die-cutters were able to draw on varied artistic sources for their inspiration.

Offa's queen, Cynethryth, was the only Anglo-Saxon queen ever named or portrayed on the coinage, in a remarkable series of pennies struck by the moneyer Eoba. These were probably derived from contemporary coins from the reign of the Byzantine
Byzantine
Byzantine usually refers to the Roman Empire during the Middle Ages.Byzantine may also refer to:* A citizen of the Byzantine Empire, or native Greek during the Middle Ages...

 emperor Constantine VI, who minted a series showing a portrait of his mother, the later Empress Irene
Irene (empress)
Irene Sarantapechaina , known as Irene of Athens or Irene the Athenian was a Byzantine empress regnant from 797 to 802, having previously been empress consort from 775 to 780, and empress dowager and regent from 780 to 797. It is often claimed she called herself "basileus" , 'emperor'...

, though the Byzantine coins show a frontal bust of Irene rather than a profile, and so cannot have been a direct model.

Around the time of Jaenberht's death and replacement with Æthelheard in 792-3, the silver currency was reformed a second time: in this "heavy coinage" the weight of the pennies was increased again, and a standardised non-portrait design was introduced at all mints. None of Jaenberht's or Cynethryth's coins occur in this coinage, whereas all of Æthelheard's coins are of the new, heavier weight.

There are also surviving gold coins from Offa's reign. One is a copy of an Abbasid dinar struck in 774 by Caliph Al-Mansur
Al-Mansur
Al-Mansur, Almanzor or Abu Ja'far Abdallah ibn Muhammad al-Mansur was the second Abbasid Caliph from 136 AH to 158 AH .-Biography:...

, with "Offa Rex" centred on the reverse. It is clear that the moneyer had no understanding of Arabic
Arabic language
Arabic is a name applied to the descendants of the Classical Arabic language of the 6th century AD, used most prominently in the Quran, the Islamic Holy Book...

 as the Arabic text contains many errors. The coin may have been produced in order to trade with Islamic Spain
Al-Andalus
Al-Andalus was the Arabic name given to a nation and territorial region also commonly referred to as Moorish Iberia. The name describes parts of the Iberian Peninsula and Septimania governed by Muslims , at various times in the period between 711 and 1492, although the territorial boundaries...

; or it may be part of the annual payment of 365 mancuses that Offa promised to Rome. There are other Western copies of Abbasid dinar
Dinar
The dinar is the official currency of several countries.The history of the dinar dates to the gold dinar, an early Islamic coin corresponding to the Byzantine denarius auri...

s of the period, but it is not known whether they are English or Frankish. Two other English gold coins of the period survive, from two moneyers, Pendraed and Ciolheard: the former is thought to be from Offa's reign but the latter may belong either to Offa's reign or to that of Coenwulf, who came to the throne in 796. Nothing definite is known about their use, but they may have been struck to be used as alms.

Although many of the coins bear the name of a moneyer, there is no indication of the mint where each coin was struck. As a result the number and location of mints used by Offa is uncertain. Current opinion is that there were four mints, in Canterbury, Rochester, East Anglia and London.

Stature

The title Offa used on most of his charters was "rex Merciorium", or "king of the Mercians", though this was occasionally extended to "king of the Mercians and surrounding nations". Some of his charters use the title "Rex Anglorum", or "King of the English", and this has been seen as a sweeping statement of his power. There is debate on this point, however, as several of the charters in which Offa is named "Rex Anglorum" are of doubtful authenticity. They may represent later forgeries of the tenth century, when this title was standard for kings of England
England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

. The best evidence for Offa's use of this title comes from coins, not charters: there are some pennies with "Of ℞ A" inscribed, but it is not regarded as definite that this stood for "Offa Rex Anglorum".

In Anglo-Saxon England, Stenton argued that Offa was perhaps the greatest king of the English kingdoms, commenting that "no other Anglo-Saxon king ever regarded the world at large with so ... acute a political sense". Many historians regard Offa's achievements as second only to Alfred the Great
Alfred the Great
Alfred the Great was King of Wessex from 871 to 899.Alfred is noted for his defence of the Anglo-Saxon kingdoms of southern England against the Vikings, becoming the only English monarch still to be accorded the epithet "the Great". Alfred was the first King of the West Saxons to style himself...

 among the Anglo-Saxon kings. Offa's reign has sometimes been regarded as a key stage in the transition to a unified England, but this is no longer the general view among historians in the field. In the words of Simon Keynes
Simon Keynes
Simon Douglas Keynes MA, PhD, Litt.D, FBA is the current Elrington and Bosworth Professor of Anglo-Saxon in the Department of Anglo-Saxon, Norse, and Celtic at Cambridge University.-Biography:...

, "Offa was driven by a lust for power, not a vision of English unity; and what he left was a reputation, not a legacy." It is now believed that Offa thought of himself as "King of the Mercians", and that his military successes were part of the transformation of Mercia from an overlordship of midland peoples into a powerful and aggressive kingdom.

Death and succession

Offa died in 796, on either the 26 or 29 July, and was buried in Bedford
Bedford
Bedford is the county town of Bedfordshire, in the East of England. It is a large town and the administrative centre for the wider Borough of Bedford. According to the former Bedfordshire County Council's estimates, the town had a population of 79,190 in mid 2005, with 19,720 in the adjacent town...

. He was succeeded by his son, Ecgfrith, but according to the Anglo-Saxon Chronicle Ecgfrith died after a reign of only 141 days. A letter written by Alcuin in 797 to a Mercian ealdorman named Osbert makes it apparent that Offa had gone to great lengths to ensure that his son Ecgfrith would succeed him. Alcuin's opinion is that Ecgfrith "has not died for his own sins; but the vengeance for the blood his father shed to secure the kingdom has reached the son. For you know very well how much blood his father shed to secure the kingdom on his son." It is apparent that in addition to Ecgfrith's consecration in 787, Offa had eliminated dynastic rivals. This seems to have backfired, from the dynastic point of view, as no close male relatives of Offa or Ecgfrith are recorded, and Coenwulf, Ecgfrith's successor, was only distantly related to Offa's line.
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