Original sentence: , was an Arab religious reformer and political leader who preached the monotheistic religion of Islam.Around the year 610, Muhammad believed he had been visited by the Angel Gabriel while meditating.He is a prophet in both the Islamic and Baha'i religious traditions and united the tribes of the Arabian Peninsula into a cohesive society and state with it's capital in Medina.His mission is regarded as one of restoring the true monotheistic faith of Adam, Abraham and other prophets of Islam that had become corrupted by man over time, and Islam was its authentic restoration.Muslims beleive him to be the last in a line of prophets of God (Allah).The Qur'an, along with the details of Muhammad’s life as recounted by his biographers and his contemporaries, forms the basis of Islamic theology.The content of these revelations, known as the Qur'an, was memorized and recorded by his followers and compiled into a single volume shortly after his death
Edited sentence: , was an Arab religious reformer and political leader, and the historical founder of Islam.According to his teachings, the original monotheistic faith of Adam, Abraham and other prophets had been corrupted by man over time, and Islam was its authentic restoration.Around the year 610, Muhammad claimed to have been visited by the Angel Gabriel while meditating.By 750, his successors had conquered Persia, the Levant, North Africa, Sicily and Iberia and introduced Islam to the newly acquired territories.He united the tribes of the Arabian Peninsula under a state governed by Islamic law with its capital in Medina.Muhammad taught his followers that he was the last prophet of God (Arabic Allah).The Qur'an, along with the details of Muhammad’s life as recounted by his biographers and his contemporaries, forms the basis of Islamic doctrine.The content of these revelations, known as the Qur'an, was memorized by his followers and compiled into a single volume shortly after his death