His death and his effect on the world
Prophet Mohammed died at age of 63 after total devotion of his life to the message of Islam. He spread Islam in and ruled all of Arabian peninsula before his death combining spiritual and secular acts. His companions continue to spread the word of Islam after prophet Mohammed considering it a duty to tell people about God the way he revealed himself to people. Now a days there are over 1.5 billion Muslims around the globe worshiping Allah, the creator of mankind and the world, the way he wanted us to worship him.