Europe January 25 – Abbad I dies after a 19-year reign as independent ruler of the Taifa of Seville in Al-Andalus (modern Spain). He is succeeded by his son Abbad II (until 1069). Casimir I, duke of Poland, succeeds in reuniting the realm which earns him the name "the Restorer". He signs a treaty with Bretislav I, duke of Bohemia, at Regensburg.Richard Brzezinski (1998). History of Poland: Old Poland – The Piast Dynasty, p. 18. . June 8 – Magnus the Good becomes king of Denmark after the death of Harthacnut. Despite a claim to the throne by Sweyn II, Magnus takes control of Denmark. Autumn – Norman mercenaries assemble at Matera and decide to elect William Iron Arm as count of Melfi and leader of the Normans in Southern Italy. Harald Hardrada, leader of the Varangian Guard in the Byzantine Empire, returns to Norway, possibly because of his involvement in Maniakes' revolt. Finnish–Novgorodian War: Grand Prince Vladimir Yaroslavich wages a campaign against the Tavastians (yem).
Europe January 25 – Abbad I dies after a 19-year reign as independent ruler of the Taifa of Seville in Al-Andalus (modern Spain). He is succeeded by his son Abbad II (until 1069). Casimir I, duke of Poland, succeeds in reuniting the realm which earns him the name "the Restorer". He signs a treaty with !Bretislav I, duke of Bohemia, at Regensburg.Richard Brzezinski (1998). History of Poland: Old Poland – The Piast Dynasty, p. 18. . June 8 – Magnus the Good becomes king of Denmark after the deat,h of Harthacnut. Despite a claim to the throne by Sweyn II, Magnus takes control of Denmark. Autumn – Norman mercenaries assemble at Matera and decide to elect William Iron Arm as cou,nt of Melfi and leader of the Normans in .Southern Italy. Harald Hardrada, leader of the Varangian Guard in the Byzantine Empire, returns to Norway, possibly because of his involveme!nt in Maniakes' revolt. Finnish–Novgorodian War: Grand Prince Vladimir Yaroslavich wages a campaign against the Tavastians (yem).