Kingdom of Thessalonica

Kingdom of Thessalonica
Regnum Thessalonicae (Latin)
1204–1224
Coat of Arms per The Lord Marshal's Roll (1295)
The Kingdom of Thessalonica in 1204 as a vassal of the Latin Empire
StatusVassal of the Latin Empire
CapitalThessalonica
Common languagesLatin (official)
Greek (popular)
Religion
Roman Catholic (official)
Eastern Orthodox (popular)
GovernmentFeudal Monarchy
King of Thessalonica 
 1205–1207
Boniface
 1207–1224
Demetrius
Historical eraMiddle Ages
 Kingdom established
1204
 Fall of Thessalonica to Epirus
1224
Preceded by
Succeeded by
Byzantine Empire (Angelos dynasty)
Empire of Thessalonica

The Kingdom of Thessalonica (Greek: Βασίλειον τῆς Θεσσαλονίκης, romanized: Vasílion tis Thessaloníkis) was a short-lived Crusader State founded after the Fourth Crusade over conquered Byzantine lands in today's territory of Northern Greece and Thessaly.