The Rashidun Caliphate covered over 3 million square miles of land - almost 6% of the earth's land-mass.. This empire began when Mohammad died in 632 AD and his followers scrambled to acquire his ...

The Rashidun Caliphate lasted for approximately 30 years and during that time "extended from the Arabian Peninsula, ... It was the largest empire in history up until that time." ...

The Byzantine Empire at the beginning of the 7th century, shortly before the Muslim expansion. Credit: Derfel73 / ArdadN / Public Domain / Wikimedia Commons Indeed, Emperor Constans II was unwilling ...

Koran/Qu’ran: The holy book of Islam, recorded by the prophet Muhammad beginning in the year 610 A.D. Muslims consider it to be the word of God.Islam teaches that the Christian and Hebrew ...

His would be the newest caliphate in a line extending from the Rashidun Caliphate (632-661), through the Umayyads (661-750), Abbasids (750-1517) and Ottomans (1453-1924).