"Pope Celestine III (Latin: Caelestinus III; c. 1106 – 8 January 1198), born Giacinto Bobone, was the head of the Catholic Church and ruler of the Papal States from 30 March or 10 April 1191 to his death. He had a tense relationship with several monarchs, including Emperor Henry VI, King Tancred of Sicily, and King Alfonso IX of León." - (en.wikipedia.org 11.08.2021)
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