Council of Clermont
Pope Urban II calls for a crusade

In November 1095 Pope Urban II, at a council in Clermont, called on knights to help Byzantium and free Jerusalem, promising remission of sins. The crowd answered "God wills it!" and the First Crusade began.
Wikipedia (Russian) · Wikipedia (English) · 11th century
Meanwhile around the world (±25 years)
Eastern Europe & Russia
- 1113 Vladimir Monomakh in Kiev — 18 years later
- c. 1113 The Primary Chronicle — 18 years later
Middle East
- 1071 Battle of Manzikert — 24 years earlier
- 1099 Crusaders capture Jerusalem — 4 years later
Africa
- c. 1070 The Almoravids found Marrakesh — 25 years earlier
Asia
- c. 1113–1150 Construction of Angkor Wat — 18 years later
- 1115 Aguda founds the Jin dynasty — 20 years later
Alive at the time
- Omar Khayyam (aged 47)
- Henry IV (aged 45)
- Vladimir II Monomakh (aged 42)
- Shen Kuo (aged 64)
- Anselm of Canterbury (aged 62)
- Sviatopolk II (aged 45)
- Philip I (aged 43)
- Nestor the Chronicler (aged 39)
- William II Rufus (aged 39)
- Al-Ghazali (aged 37)