1227
| 1227 • Livonian Crusade: The Livonian Brothers of the Sword in alliance with Germans of Riga and its bishop, Albert, cross the sea ice from mainland Estonia and attack the island of Saaremaa, home of the Oeselians. After the surrender of two major strongholds, Muhu (following the Battle of Muhu) and Valjala, the Oeselians formally accept Christianity. |
1256
Age: 29y
| 1256 • Beginning of the War of the Euboeote Succession, involving most of the lords of Frankish Greece and the Republic of Venice. |