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links: 1218 June 13 September 1 Mongol Empire Hulagu Khan King of Germany Augustinians Pope Alexander IV Kenchō 1321 Bulgaria January 28 December 15 Ukraine Empire of Nicaea Anatolia Baiju Robert, Count of Clermont Lord Chancellor 1317 Iran October 14 1173 1239 Kōgen Lviv Mongol January 6 May 4 Byzantine Emperor Thrace