The Castle of Canossa is a castle in Canossa

Canossa

Canossa is a comune and castle town in Emilia-Romagna, famous as the site where Holy Roman Emperor Henry IV did penance in 1077, standing three days bare-headed in the snow, in order to reverse his excommunication by Pope Gregory VII...

, province of Reggio Emilia

Province of Reggio Emilia

The Province of Reggio Emilia is one of the eight provinces of the Italian Region of Emilia-Romagna. The capital city, which is the most densely populated comune in the Province, is Reggio Emilia....

, northern Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

.

It is especially known as the seat of the Walk to Canossa

Walk to Canossa

The Walk to Canossa refers to both the trek itself of Henry IV of the Holy Roman Empire from Speyer to the fortress at Canossa in Emilia Romagna and to the events surrounding his journey, which took place in and around January 1077.-Historical background:When, in his early...

, the meeting of Emperor Henry IV

Henry IV, Holy Roman Emperor

Henry IV was King of the Romans from 1056 and Holy Roman Emperor from 1084 until his forced abdication in 1105. He was the third emperor of the Salian dynasty and one of the most powerful and important figures of the 11th century...

 and Pope Gregory VII

Pope Gregory VII

Pope St. Gregory VII , born Hildebrand of Sovana , was Pope from April 22, 1073, until his death. One of the great reforming popes, he is perhaps best known for the part he played in the Investiture Controversy, his dispute with Henry IV, Holy Roman Emperor affirming the primacy of the papal...

 during the Investiture Controversy

Investiture Controversy

The Investiture Controversy or Investiture Contest was the most significant conflict between Church and state in medieval Europe. In the 11th and 12th centuries, a series of Popes challenged the authority of European monarchies over control of appointments, or investitures, of church officials such...

 (1077).

History

The castle was built around 940 by Adalberto Atto, son of Sigifredo of Lucca, a Lombard

Lombards

The Lombards , also referred to as Longobards, were a Germanic tribe of Scandinavian origin, who from 568 to 774 ruled a Kingdom in Italy...

 prince, on the summit of a rocky hill. Apart from Adalberto's residence, it included a convent with 12 Benedictine monks and the church of Sant'Apollonio. It was protected by a triple line of walls; between the two lower lines were the barracks and the residence of the servants.

During the Middle Ages

Middle Ages

The Middle Ages is a periodization of European history from the 5th century to the 15th century. The Middle Ages follows the fall of the Western Roman Empire in 476 and precedes the Early Modern Era. It is the middle period of a three-period division of Western history: Classic, Medieval and Modern...

, it was one of the most impregnable castles in Italy. Here in 950 Adelaide of Italy

Adelaide of Italy

Saint Adelaide of Italy , also called Adelaide of Burgundy, was the second wife of Otto the Great, Holy Roman Emperor...

, the widow of King Lothair II

Lothair II of Italy

Lothair II , often Lothair of Arles, was the King of Italy from 948 to his death. He was of the noble Frankish lineage of the Bosonids, descended from Boso the Elder...

, took refuge; Berengar II

Berengar II of Italy

Berengar of Ivrea , sometimes also referred to as Berengar II of Italy, was Margrave of Ivrea and usurper King of Italy from 950 until his deposition in 961, the last before Italy's incorporation into the Holy Roman Empire...

 of Ivrea

Ivrea

Ivrea is a town and comune of the province of Turin in the Piedmont region of northwestern Italy. Situated on the road leading to the Aosta Valley , it straddles the Dora Baltea and is regarded as the centre of the Canavese area. Ivrea lies in a basin that, in prehistoric times, formed a great lake...

 besieged her for three years, but in vain.

The next most relevant episode is the famous reconciliation between Henry IV and Gregory VII, who was a friend of Matilda of Tuscany

Matilda of Tuscany

Matilda of Tuscany was an Italian noblewoman, the principal Italian supporter of Pope Gregory VII during the Investiture Controversy. She is one of the few medieval women to be remembered for her military accomplishments...

, who had inherited the castle, the centre of an impressive chain of watch towers and castles. Matilda established that her lands would be assigned to the Church after her death (1115), but her heirs did not accept it.

In 1255 the men of Reggio

Reggio Emilia

Reggio Emilia is an affluent city in northern Italy, in the Emilia-Romagna region. It has about 170,000 inhabitants and is the main comune of the Province of Reggio Emilia....

 destroyed the castle and the church. Later it was returned to the Canossa family. After the death of Giberto da Correggio in 1321, it was again a possession of Reggio until 1402, when Simone, Guido and Alberto Canossa gained it back; in 1409, however, they ceded it to the House of Este, who (apart a short period under Ottavio Farnese, Duke of Parma in 1557) held it until 1796.

In 1502 Ercole I d'Este named the poet Ludovico Ariosto

Ludovico Ariosto

Ludovico Ariosto was an Italian poet. He is best known as the author of the romance epic Orlando Furioso . The poem, a continuation of Matteo Maria Boiardo's Orlando Innamorato, describes the adventures of Charlemagne, Orlando, and the Franks as they battle against the Saracens with diversions...

 castellan. He resided here for six months. In 1593 Canossa was assigned as fief to the Counts Rondinelli. In 1642 Duke Francesco I entrusted it to the Valentini. The latter were ousted in 1796 by the rebellious local population, who joined the Republic of Reggio.

After being returned to the Valentini, in 1878 the Castle was acquired by the Italian State, and was declared a national monument.