Domesday Book
William the Conqueror surveys his whole kingdom
On William I's orders royal commissioners toured England recording who held every manor and how much land, how many people, livestock and mills it had. The 1086 survey is the most complete land register of medieval Europe.
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Meanwhile around the world (±25 years)
Middle East
- 1071 Battle of Manzikert — 15 years earlier
- 1099 Crusaders capture Jerusalem — 13 years later
Africa
- c. 1070 The Almoravids found Marrakesh — 16 years earlier
Alive at the time
- William the Conqueror (aged 58)
- Omar Khayyam (aged 38)
- Henry IV (aged 36)
- Vladimir II Monomakh (aged 33)
- Vsevolod I (aged 56)
- Shen Kuo (aged 55)
- Anselm of Canterbury (aged 53)
- Sviatopolk II (aged 36)
- Philip I (aged 34)
- Nestor the Chronicler (aged 30)