Understanding Islam from a Christian Perspective
"First, we want to take a look back at the history of Islam. Islam was founded in the early seventh century by Muhammed. When he was 40 years of age, in A.D. 610, Muhammed claimed to be receiving messages from God. These messages were later compiled and recorded in the Koran--Islam's holy book.
About this same time, Muhammed began preaching against the greed, economic oppression, and idolatry that plagued the Arab peoples. He called on the many factions of the Arab peoples to unite under the worship of Allah, the chief god of the Arab pantheon of deities. Though his message was initially rejected, by the year 630 he had succeeded in gaining control of Mecca, the economic and religious center of the Arabian peninsula.
Though Muhammed died two years later, the religious/political movement he founded rapidly spread throughout the Arab world, and far beyond. By A.D. 750, the Muslim empire spanned from Spain in the west to India in the east. In the centuries that followed, Islam penetrated deeper into Africa and Asia, extending as far as the Philippines. During its "golden era" Islam claimed some of the world's finest philosophers and mathematicians. It was during this time also that Islam and Christianity clashed as a result of the Crusades to reclaim the Holy Land from the Muslims...." (more)