They chose sides following the death of the Islamic prophet Muhammad in AD 632. A dispute over succession to Islamic prophet Muhammad as a caliph of the Islamic community spread across various parts of the world, which led to the Battle of Jamal and Battle of Siffin.
There are three traditional types of schools in Islam: schools of jurisprudence, Sufi orders and schools of theology. Other types of Islamic denominations and movements have arisen in the modern era.
The european age of exploration would not have been possible without the astrolabe and the compass both of which were adapted from Muslim sailors because the compass and the astrolabe have been dicovered by muslim scholars