Europe

• Pepin I of Aquitaine
  Pepin I of Aquitaine
  Pepin I was King of Aquitaine.-Biography:He was the second son of Emperor Louis the Pious and his first wife, Ermengarde of Hesbaye....
  
   and Louis the German
  Louis the German
  Louis the German , also known as Louis II or Louis the Bavarian, was a grandson of Charlemagne and the third son of the succeeding Frankish Emperor Louis the Pious and his first wife, Ermengarde of Hesbaye.He received the appellation 'Germanicus' shortly after his death in recognition of the fact...
  
   revolt against Louis the Pious
  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...
  
  , Emperor of the Franks.
• The legendary genesis of the Flag of Scotland
  Flag of Scotland
  The Flag of Scotland, , also known as Saint Andrew's Cross or the Saltire, is the national flag of Scotland. As the national flag it is the Saltire, rather than the Royal Standard of Scotland, which is the correct flag for all individuals and corporate bodies to fly in order to demonstrate both...
  
  , appearing to Óengus (II)
  Óengus II of the Picts
  Óengus mac Fergusa was king of the Picts , in modern Scotland, from about 820 until 834. Tradition associates him with the cult of Saint Andrew and the Flag of Scotland....
  
   of Fortriu
  Fortriu
  Fortriu or the Kingdom of Fortriu is the name given by historians for an ancient Pictish kingdom, and often used synonymously with Pictland in general...
  
   the night before a battle between his Pictish
  Picts
  The Picts were a group of Late Iron Age and Early Mediaeval people living in what is now eastern and northern Scotland. There is an association with the distribution of brochs, place names beginning 'Pit-', for instance Pitlochry, and Pictish stones. They are recorded from before the Roman conquest...
  
   and Scottish
  Gaels
  The Gaels or Goidels are speakers of one of the Goidelic Celtic languages: Irish, Scottish Gaelic, and Manx. Goidelic speech originated in Ireland and subsequently spread to western and northern Scotland and the Isle of Man....
  
   forces against the Angles
  Angles
  The Angles is a modern English term for a Germanic people who took their name from the ancestral cultural region of Angeln, a district located in Schleswig-Holstein, Germany...
  
  .
• Clondalkin
  Clondalkin
  -Today:Modern Clondalkin is a busy satellite town of Dublin, with a population of 43,929 in 2006. Retail facilities include Tesco Ireland- and Dunnes Stores-led shopping centres, and Aldi and Lidl stores on the Fonthill Road and New Nangor Road respectively, and the village centre is a base for...
  
  , Ireland
  Ireland
  Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...
  
   is sacked by Viking
  Viking
  The term Viking is customarily used to refer to the Norse explorers, warriors, merchants, and pirates who raided, traded, explored and settled in wide areas of Europe, Asia and the North Atlantic islands from the late 8th to the mid-11th century.These Norsemen used their famed longships to...
  
  s.

Religion

• Theophilus forbids the usage of icon
  Icon
  An icon is a religious work of art, most commonly a painting, from Eastern Christianity and in certain Eastern Catholic churches...
  
  s, establishing strict punishments.
• The second St Mark's Basilica
  St Mark's Basilica
  The Patriarchal Cathedral Basilica of Saint Mark is the cathedral church of the Roman Catholic Archdiocese of Venice, northern Italy. It is the most famous of the city's churches and one of the best known examples of Byzantine architecture...
  
   in Venice
  Venice
  Venice is a city in northern Italy which is renowned for the beauty of its setting, its architecture and its artworks. It is the capital of the Veneto region...
  
   (replacing an older church at a different location) is built.

Births

• Charles the Fat
  Charles the Fat
  Charles the Fat was the King of Alemannia from 876, King of Italy from 879, western Emperor from 881, King of East Francia from 882, and King of West Francia from 884. In 887, he was deposed in East Francia, Lotharingia, and possibly Italy, where the records are not clear...
  
  , King of the East Franks, France
  France
  The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
  
   and Holy Roman Emperor
  Holy Roman Empire
  The Holy Roman Empire was a realm that existed from 962 to 1806 in Central Europe.It was ruled by the Holy Roman Emperor. Its character changed during the Middle Ages and the Early Modern period, when the power of the emperor gradually weakened in favour of the princes...
  
  (approximate date)