William II, Count of Holland, King of Germany (b. 1227)
William II (February 1227 – 28 January 1256) was the count of Holland and Zeeland from 1234 until his death. He was elected anti-king of Germany in 1248 and ruled as sole king from 1254 onwards.
1256Jan, 28
William II of Holland
Choose Another Date
Events on 1256
- 4May
Pope Alexander IV
The Augustinian monastic order is constituted at the Lecceto Monastery when Pope Alexander IV issues a papal bull Licet ecclesiae catholicae. - 15Dec
Alamut Castle
Mongol forces under the command of Hulagu Khan enter and destroy the Hashshashin stronghold at Alamut Castle (in present-day Iran) as part of their offensive on Islamic southwest Asia.