Umar Ibn al-Khattab 634–644 CE (jan 1, 634 – jan 1, 644)
Description:
Role: Second caliph and a key advisor to Abu Bakr.Achievements: Expanded the empire into the Levant, Egypt, and Persia; established administrative systems.
Death: Assassinated by a Persian slave in 644 CE.
Added to timeline:
Date:
jan 1, 634
jan 1, 644
~ 10 years