Which empire lost more than two-thirds of its territory to Umar's caliphate?
Byzantine Empire
Sasanian Empire
Ghassanid Kingdom
Lakhmid Kingdom
Answer
Under Umar's rule, the caliphate expanded rapidly, conquering more than two-thirds of the Byzantine Empire. This rapid expansion demonstrated Umar's military prowess and the strength of the early Islamic state.
Unraveling the Legacy of Umar: The Mighty 2nd Rashidun Caliph (634-644)