1037

Ferdinand I (the Great) (c. 1015–1065)

Events

Spring – A revolt in northern Italy is started by Archbishop Aribert of Milan. King Henry III (eldest son of Emperor Conrad II) travels south of the Alps to quell it.
February – At an Imperial Diet in Pavia (assembled by Conrad II), Aribert is accused of fomenting a revolt against the Holy Roman Empire, Conrad orders his arrest.
May – Conrad II, with Pavian assistance, lays siege to Milan at the Porta Romana side, but the city holds out. In Rome, Pope Benedict IX deposes Aribert as archbishop.
May 28 – Conrad II decrees the Constitutio de Feudis which protects the rights of the valvassores (knights and burghers of the cities) in Lombardia (modern Italy).
Summer – A Byzantine expeditionary force under George Maniakes lands at Sicily, and defeats the Zirids. Maniakes begins his campaign to reconquer the island.
September 4 – Battle of Tamarón: Ferdinand I defeats and kills his brother-in-law Bermudo III. Ferdinand becomes the king of Castile and León (modern Spain).<ref>Template:Cite book</ref>
November 15 – Battle of Bar-le-Duc: Odo II, Count of Blois and Champagne, while invading the Duchy of Lorraine dies in battle with forces loyal to Gothelo I.

King Harold I seizes the throne of England from his half-brother Harthacnut. His mother, Emma of Normandy, flees to Bruges in Flanders (modern Belgium).<ref>Template:Cite book</ref>

The Chinese rime dictionary of the Jiyun is published during the Song Dynasty.