Pope Gregory VIII (b. 1100)
Pope Gregory VIII (Latin: Gregorius VIII; c. 1100/1105 – 17 December 1187), born Alberto di Morra, was head of the Catholic Church and ruler of the Papal States for two months in 1187. Becoming Pope after a long diplomatic career as Apostolic Chancellor, he was notable in his brief reign for reconciling the Papacy with the estranged Holy Roman Empire and for initiating the Third Crusade.