1258 1259 1260 – 1261 – 1262 1263 1264
| Decades: |
1230s 1240s 1250s – 1260s – 1270s 1280s 1290s
| Centuries: |
12th century – 13th century – 14th century
1261 state leaders
Table of contents
- January – Pope bans the movement of Flagellants.
- July 25 – Critical event – The city of Constantinople is recaptured by Nicaean forces under the command of Michael VIII Palaeologus, thus re-establishing the Byzantine Empire. The Byzantines also succeed in capturing Thessalonica and the rest of the Latin Empire.
- August 29 – Urban IV becomes Pope, the last man to do so without being a Cardinal first.
- King Henry III of England obtains a papal bull releasing him from the Provisions of Oxford, preceding the Second Barons' War, a civil war started in 1263.
- The population of Greenland accepts the overlordship of the King of Norway.
- The Japanese Bun'o era ends, and the Kocho era begins.
- The Convent of Wurmsbach is established in Switzerland.
- Baibars establishes a puppet Caliphate in Cairo.
- Bela IV of Hungary repels a Tatar invasion.
- February 28 – Henry III, Duke of Brabant
- May 25 – Pope Alexander IV
- Ch'in Chiu-Shau, Chinese mathematician
- Queen Plaisance of Cyprus (regent)