Concordat of Worms
Pope and emperor share the right to install bishops

Emperor Henry V and Pope Callixtus II ended the half-century Investiture Controversy: bishops were to be elected by the church, the emperor only handing them a sceptre for their secular lands. The compromise weakened the emperors and strengthened the papacy.
Wikipedia (Russian) · Wikipedia (English) · 12th century
Meanwhile around the world (±25 years)
Eastern Europe & Russia
- 1113 Vladimir Monomakh in Kiev — 9 years earlier
- c. 1113 The Primary Chronicle — 9 years earlier
- 1136 The Novgorod Republic — 14 years later
Middle East
- 1099 Crusaders capture Jerusalem — 23 years earlier
Africa
- 1147 The Almohads take Marrakesh — 25 years later
Asia
- c. 1113–1150 Construction of Angkor Wat — 9 years earlier
- 1115 Aguda founds the Jin dynasty — 7 years earlier
- 1127 The Jingkang incident — 5 years later
Alive at the time
- Omar Khayyam (aged 74)
- Vladimir II Monomakh (aged 69)
- Hildegard of Bingen (aged 24)
- Yuri Dolgoruky (aged 23)
- Andrey Bogolyubsky (aged 11)
- Henry I Beauclerc (aged 54)
- Lothair III (aged 47)
- Mstislav the Great (aged 46)
- Louis VI the Fat (aged 41)
- Anna Komnene (aged 39)