Möngke proclaimed Great Khan at kurultaiJul 1, 1251Labels: M ngke, Toluid faction, KurultaiBritannicaM ngke Khan
Purge of Ögedeid faction after accessionJan 1, 1252Labels: gedeid faction, Toluid faction, PurgeM ngke KhanBritannica
Empire-wide census begins under MöngkeJan 1, 1252Labels: M ngke, Imperial census, AdministrationMongol EmpireM ngke Khan
Census reaches North China; rollout continuesJan 1, 1252Labels: North China, Imperial censusM ngke KhanMongol Empire
Department of Monetary Affairs establishedJan 1, 1253Labels: Department of, Fiscal reformFamousPeopleMongol Empire
Hülegü dispatched west to expand ruleJan 1, 1253Labels: H leg, Western expedition, Toluid delegationBritannicaHulegu Khan
Campaign against the Nizaris intensifiesJan 1, 1256Labels: Campaign against, H legNizari campaignHulegu Khan
Siege of Maymun-Diz forces Nizari capitulationNov 8, 1256Labels: Maymun-Diz, Nizari capitulationMaymun DizNizari campaign
Möngke launches personal Southern Song campaignOct 1, 1257Labels: M ngke, Southern SongBritannicaM ngke Khan
Baghdad surrenders to Hülegü’s armyFeb 10, 1258Labels: Baghdad, H leg, Abbasid CaliphateBaghdad siegeDeReMilitari
Census reaches Novgorod amid resistanceDec 1, 1258Labels: Novgorod, Imperial censusM ngke KhanMongol Empire
Siege of Diaoyucheng begins in Sichuan frontFeb 1, 1259Labels: Diaoyucheng, SiegeDiaoyuchengBritannica
Möngke Khan dies during Song campaignAug 11, 1259Labels: M ngke, Death, Diaoyu campaignBritannicaM ngke Khan