The Islam religion was founded by Mohammed in the seventh century. In 622 he founded the first Islamic state, a theocracy in Medina, a city in western Saudi Arabia located north of Mecca. There are two branches of the religion he founded.

The Sunni branch believes that the first four caliphs–Mohammed’s successors–rightfully took his place as the leaders of Muslims. They recognize the heirs of the four caliphs as legitimate religious leaders. These heirs ruled continuously in the Arab world until the break-up of the Ottoman Empire following the end of the First World War. Continue reading What Is the Difference Between Sunni and Shiite Muslims–and Why Does It Matter? | History News Network →