Islam is the religion founded in Arabia by Mohammad ( P.B.U.H) between 610 and 632 A.D. its more than one billion adherents are found in countries stretching from Morocco in the west to Indonesia in the east. Mohammad( P.B.U.H) was born in 520A,D in Mecca and belonged to Quraish tribe that was active in caravan trade. At the age of 25 he joined the caravan trade from Mecca to Syria in the employment of a rich widow, Khadija, woman he married then. Critical of idolatry of the inhabitants of mecca, he began to lead a contemplative life. Finally he received a series of revelations and he gradually became convinced that he was given a God appointed task to devote himself to the reform of religion and society, Idolatry was to be abandoned. The Hijra (Migration) of Mohammad from Mecca to Medina where he was well received occurred in 622 and marks the beginning of the muslin era. In 630 he marched on Mecca and conquered it. Mohammad P.B.U.H passed away in 632 in Mecca his tomb there has since been a place of pilgrimage.