What is Islam? Islam is creed teaching from Allah brought by Muhammad as moslems leader, at 7th century. Creed is a system of belief, principles, or opinions.
Muhammad is a military, political, and Islam leader of Arab, teaching Islam as a historical phenomenon. In history of Islam he remain in Mecca and start to teach Islam in Mecca. Resident and leader of Mecca become to fear to his teaching and start to menace and maltreat him and his follower.
What's happen then? As a result he migrate to Madinah, place that people start to trust the religion taught by him. The migration of Prophet Muhammad from Mecca to Madinah in Islam history represents the starting points of Islam Calendar. Muhammad and his follower later return to Mecca and express the jihad, or holy war, after he conquer the city.
Islam history started since Adam because taught by Islam message, that is submits to one God (tauhid), shown in two creed sentence, expressing that there is no god but Allah, and Muhammad is Allah's courier.
Moslem suppose that Allah revealed the Qur'an as word written from Allah to Muhammad as last prophet of Allah, and place the Qur'an and Sunnah (words and behavioral of Muhammad as Qur'an complementing and assist the interpretation of Qur'an) as source of Islam guidance.
