1057

1057 (MLVII) was a common year starting on Wednesday of the Julian calendar, the 1057th year of the Common Era (CE) and Anno Domini (AD) designations, the 57th year of the 2nd millennium, the 57th year of the 11th century, and the 8th year of the 1050s decade. As of the start of 1057, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	2nd millennium
Centuries:	10th century – 11th century – 12th century
Decades:	1020s  1030s  1040s  – 1050s –  1060s  1070s  1080s
Years:	1054 1055 1056 – 1057 – 1058 1059 1060

Isaac I (c. 1007–1060)

Africa

• The Banu Hilal take Kairouan. The Zirid dynasty has to move to Mahdiya.

Asia

• King Anawrahta of Burma takes over Thanton in northern Thailand, strengthening Theravada Buddhism in the country.

Europe

• King Macbeth of Scotland is killed in battle against Malcolm III of Scotland. He is replaced as King of Scotland by his stepson Lulach.
• William the Conqueror defeats a Franco-Angevin army at the mouth of the Dives River, Normandy in the Battle of Varaville.
• Ferdinand I of Castile takes Lamego and Viseu from Christian lords allied to the Muslim taifas.

Religion

• August 2 – Pope Stephen IX (sometimes referred to as Stephen X) replaces Pope Victor II as the 154th pope.

Births

• Hugh I, Duke of Burgundy (d. 1093)

Deaths

• Jōchō, Japanese sculptor
• March 1 – Ermesinde of Carcassonne, countess and regent of Barcelona (b. 972)
• July 28 – Pope Victor II
• August 15 – King Macbeth of Scotland
• Late August – Edward the Exile, son of Edmund II of England
• August 31 – Leofric, Earl of Mercia