Prophet Muhammad was born in Mecca in the year 571 CE. He received his first revelation from God when he was 40 years old. He spread the message of Islam throughout Arabia and beyond until his death in Medina in 632 CE at the age of 61. Some key facts about his life include that he was born on Monday, 12 Rabi' al-awwal, he was orphaned as a child and raised by his grandfather and uncle, he received his first revelation in the Cave of Hira, and he left the Quran and his example as guidance for Muslims before his death.