What is Latin Empire?
{{Infobox country | native_name = ''Imperium Constantinopolitanum''<br />''Imperium Romaniae''<br />''Imperium Romanorum'' | conventional_long_name = Latin Empire | common_name = Latin Empire | era = High Middle Ages | government_type = Feudal Christian Monarchy | year_start = 1204 | event_start = [[Sack of Constantinople]] | year_end = 1261{{refn|group=note|The [[Byzantine Greeks|Byzantines]] retook [[Constantinople]] under [[Emperor]] [[Michael VIII Palaiologos]] in 1261. Latin possessions remained in Greece until the [[Ottoman Empire]] took the [[Duchy of the Archipelago]] in 1579. The other Latin [[Principality|principalities]] followed a [[Lineage (evolution)|lineage]] of [[Latin Emperor]]s until the death of [[James of Baux]] in 1383.}} | date_event1 = 1235 | event1 = Joint Nicean-Bulgarian campaign against Empire | p1 = Byzantine Empire under the Angelos dynasty{{!}}Byzantine Empire {{small|(Angelos dynasty)}} | flag_p1 = | border_p1 = no | s1 = Byzantine Empire under the Palaiologos dynasty{{!}}Byzantine Empire {{small|(Palaiologos dynasty)}} | flag_s1 = Byzantine imperial flag, 14th century.svg | border_s1 = no | s2 = Principality of Achaea | flag_s2 = Coa Greece Country History Principality of Achaea.svg | border_s2 = no | s3 = Duchy of Athens | flag_s3 = Arms of the House of de la Roche.svg | border_s3 = no | s4 = Duchy of the Archipelago | flag_s4 = Coat of Arms of the House of Sanudo.svg | border_s4 = no | image_coat = Arms of Courtenay-Constantinople.svg | symbol_type = [[Attributed arms]]{{refn|group=note|Arms used by [[Philip I, Latin Emperor|Philip of Courtenay]]. He held the title of Latin Emperor of Constantinople from 1273&n