Events

• Hereward the Wake begins a Saxon revolt in the Fens of eastern England, which later collapses.
• Lanfranc, an Italian lawyer, becomes William's formidable Archbishop of Canterbury.
• Central Asian poet Yusuf Balasagun completes the Kutadgu Bilig.
• Bergen, Norway is founded by the king Olav Kyrre. This will function as the main city and capital of Norway, until it is replaced by Oslo in 1314.
• Abu Bakr Ibn-Umar founds Marrakesh.
• Chinese Chancellor Wang Anshi starts the Xining Reforms (which last until 1085).
• The Temple of Literature is established in the capital of Vietnam.
• A successful Byzantine counter-attack drives the Seljuk Turks across the Euphrates.
• Song Dynasty Chinese astronomer, engineer, and statesman Su Song completes the compilation of the Ben Cao Tu Jing, a pharmaceutical treatise with related subjects of botany, zoology, mineralogy, and metallurgy.

Births

Deaths

• Baldwin VI of Flanders (b. 1030)