1125
| Years: 1122 1123 1124 - 1125 - 1126 1127 1128 | |
| Decades: 1090s 1100s 1110s - 1120s - 1130s 1140s 1150s | |
| Centuries: 11th century - 12th century - 13th century | |
Events
- May 23 - Lothar of Saxony becomes Holy Roman Emperor on the death of Henry V.
- War ends between Toulouse and Provence.
- The castle of Nassau is built.
- Albert of Aix begins his Historia Hierosolymitanae expeditionis.
- Magnus the Strong becomes ruler of Sweden.
- June 11 - The Crusaders defeat the Seljuk Turks at the Battle of Azaz.
- Matilde, daughter of Amadeus III of Savoy and wife of Alphonso I of Portugal
- January 24 - David the Builder, king of Georgia
- May 19 - Vladimir Monomakh, Grand Duke of Kiev
- May 23 - Henry V, Holy Roman Emperor
- Eustace III, count of Boulogne
- Ingold II, ruler of Sweden