||This article needs additional citations for verification. (May
2008)| |Latin Empire of Constantinople Empire of Romania Arms of
the Latin Empire of Constantinople The Latin Empire with its
vassals (in yellow) and the Greek successor states of the
Byzantine Empire (in red) after the Treaty of Nymphaeum in 1214.
The borders are very uncertain. |Languages||Latin, Old French
(official) |Religion||Roman Catholic (official) Greek Orthodox
(popular) |-||1228–1237||John of Brienne (regent)| |Historical
era||High Middle Ages| |-||1204 est.||350,000 km² (135,136 sq
mi)| The Latin Empire or Latin Empire of Constantinople
(original Latin name: Imperium Romaniae, "Empire of Romania") is
the name given by historians to the feudal Crusader state
founded by the leaders of the Fourth Crusade on lands captured
from the Byzantine Empire. It was established after the capture
of Constantinople in 1204 and lasted until 1261. The Latin
Empire was intended to supplant as titular successor to the
Roman Empire in the east, with a We