The Life of Muhammad: An Overview*
1. Muhammad married the wealthy widow Khadija,who provided him economic security, became one of his first converts to Islam, and gave him a daughter, Fatima.
2. He experienced in a cave visions from Allah through the angel Gabriel which he identified as revelations and later codified into the Qur’an, a perfect book from God.
*Taken from Dr. G.W.Braswell, What You Need To Know About Islam & Muslims