. Muhammad was born in Mecca. He came from a noble family and was well-known for his honesty and upright character.. According to Muslim belief, at the age of 40, Muhammad was visited by the angel Gabriel while on retreat in a cave near Mecca. The angel recited to him the first revelations of the Quran and informs him that he was God's prophet. Later, Muhammad was told to call his people to the worship of the one God, but they reacted with hostility and begin to persecute him and his followers.
After enduring persecution in Mecca, Muhammad and his followers migrated to the nearby town of Yathrib (later to be known as Medina), where the people there accepted Islam. This marked the "hijrah" or "emigration," and the beginning of the Islamic calendar. In Medina, Muhammad established an Islamic state based on the laws revealed in the Quran and the inspired guidance came to him from God. Eventually he began to invite other tribes and nations to Islam.
Muhammad returned to Mecca with a large number of his followers. He entered the city peacefully, and eventually all its citizens accepted Islam. The prophet cleared the idols and images out of the Kaaba and rededicates it to the worship of God alone.
Muhammad died after a prolonged illness. The Muslim community elected his father-in-law and close associate, Abu Bakr, as