Due to anti-French sentiment in Rome, he was unable to return to the Vatican.
His papacy known for political machinations.
He supported the Angevin dynasty in Sicily and southern Italy.
Supported Charles of Anjou's attempt to restore the Latin Empire of Constantinople.
ExcommunicatedByzantine Emperor Michael VIII, which sacrificed the 1274 union of East and West made at Lyons.
After the revolt known as the Sicilian Vespers, he turned his power against Peter III of Aragón who had been chosen king of Sicily.
De Brie adopted the name Martin IV because two popes named Marinus were thought to have been named Martin.
He is actually only the second pope named Martin.
![[Pope Martin IV]](pope0189.jpg "7kb jpg detail from an early 20th century Italian holy card of Pope Martin, artist unknown; if you have information on this image, please email me; please do not write to ask about the image")