Hasan ibn Ali was an Alid political and religious leader. The eldest son of Ali and Fatima and a grandson of the Islamic prophet Muhammad, Hasan briefly ruled as caliph from January 661 until August 6
16th-century Ottoman iconographic depiction of Hasan ibn Ali holding a book and bearing a yataghan on his lap
Calligraphic seal featuring Hasan's name, on display in the Hagia Sophia
A view of the modern-day Kufa, the headquarters of Hasan, and its Great Mosque, where he gave his inaugural speech
Iranian Qajar dynasty tapestry, probably a Shia talisman, depicting Ali with Hasan and Husayn (Library of Congress)
The Battle of the Camel, also known as the Battle of Basra took place in 656 CE outside of Basra in Iraq. It was fought between the partisans of the fourth Rashidun caliph Ali and the rebelling Uthman
Ali (the fourth caliph) and Aisha at the Battle of the Camel
Aisha battling the fourth caliph Ali in the Battle of the Camel
Islamic miniature depicting Aisha and her army facing a pack of dogs and being barked at in Hawab
Islamic miniature depicting Ali (golden flame) and his army defeating Aisha and her army and taking her captive