This Day in History: 1072-12-15

(15 December) The second Sultan of the Seljuk Empire, Alp Arslan, died after he was stabbed by the commander of the Berzem Fortress, Yousef al-Khwarezmi. Sultan Alp Arslan is known for his marvellous victory over the Byzantines in the Battle of Manzikert (1071). He died at a young age of 41/42.