-
-
-
This migration becomes known as the "Hijrah" and marks the beginning of the Islamic calendar.
-
Mecca becomes the center of the Islamic world.
-
He is the first of the four "Rightly Guided" Caliphs. This also marks the beginning of the Rashidun Caliphate.
-
The Islamic Empire expands during his rule to include much of the Middle East including Iraq, Egypt, Syria, and part of North Africa.