Under he leadership of abu bakr

the Islamic ruled region stretched from

Under the leadership of Abu Bakr, the Islamic-ruled region stretched from Persia to west of Egypt.

a father in law to the prophet, and father to Aisha, a wife whose age when she got married is a source of controversy, became the first Muslim caliphate after Mohamed. He was instrumental in taking over lands as far as Persia and adding them to caliphate. He also conquered Egypt.