Kingdom of Thessalonica

Kingdom of Thessalonica
Regnum Thessalonicae (Latin)
1204–1224
Coat of Arms per The Lord Marshal's Roll (1295) of Thessalonica
Coat of Arms per The Lord Marshal's Roll (1295)
The Kingdom of Thessalonica in 1204 as a vassal of the Latin Empire
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, romanizedVasílion 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.