Pope Gregory IV

Pope Gregory IV
Bishop of Rome
Miniature of Pope Gregory IV (c. 840)
Church	Catholic Church
Papacy began	October 827
Papacy ended	25 January 844
Predecessor	Valentine
Successor	Sergius II
Orders
Created cardinal	797 by Leo III
Personal details
Born	Rome, Papal States
Died	(844-01-25)25 January 844 Rome, Papal States
Other popes named Gregory

Pope Gregory IV (Latin: Gregorius IV; died 25 January 844) was the bishop of Rome and ruler of the Papal States from October 827 to his death.^[1] His pontificate was notable for the papacy’s attempts to intervene in the quarrels between Emperor Louis the Pious and his sons. It also saw the breakup of the Carolingian Empire in 843.