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Pope Martin IV excommunicates King Peter III of Aragon for usurping the crown of Sicily (a sentence renewed on 7 May and 18 November 1282).
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Pope Martin IV
Head of the Catholic Church from 1281 to 1285
Pope Martin IV, was the head of the Catholic Church and ruler of the Papal States from 22 February 1281 until his death in 1285. He was the last French pope to hold his court in Rome before the papacy moved to Avignon.Source: Wikipedia (CC BY-SA)
Peter III of Aragon
King of Aragon and Valencia (1276–85); King of Sicily (1282–85)
Peter III of Aragon was King of Aragon, King of Valencia, and Count of Barcelona from 1276 to his death. At the invitation of some rebels, he conquered the Kingdom of Sicily and became King of Sicily in 1282, pressing the claim of his wife, Constance II of Sicily, uniting the…Source: Wikipedia (CC BY-SA)
October 18
Day of the year
October 18 is the 291st day of the year in the Gregorian calendar; 74 days remain until the end of the year.Source: Wikipedia (CC BY-SA)