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Europe · High and late Middle Ages

Kingdom of Thessalonica

1204–1224

A Latin Crusader kingdom created after 1204 under Boniface of Montferrat, one of the Fourth Crusade's leaders, nominally subordinate to the Latin Emperor. It controlled Macedonia and Thessaly.

Existed
1204–1224
Shown on the map
1206–1226
Peak area
33k km²
Region
Europe

Overview

A Latin Crusader kingdom created after 1204 under Boniface of Montferrat, one of the Fourth Crusade's leaders, nominally subordinate to the Latin Emperor. It controlled Macedonia and Thessaly. Boniface was killed by the Bulgarians in 1207. The weak kingdom, held for his young son Demetrios, was conquered by Theodore Komnenos Doukas of Epirus in 1224, ending Latin rule at Thessalonica.

Common questions

What was the Kingdom of Thessalonica?
A Latin Crusader kingdom created after 1204 under Boniface of Montferrat, one of the Fourth Crusade's leaders, nominally subordinate to the Latin Emperor. It controlled Macedonia and Thessaly.
When did the Kingdom of Thessalonica exist?
The Kingdom of Thessalonica existed 1204–1224. On this map it is drawn 1206–1226.
How large was the Kingdom of Thessalonica?
At its greatest extent drawn on this map, the Kingdom of Thessalonica covered about 33,000 km². That is the largest area the border data gives it across the years it is drawn, not necessarily its greatest extent in history.

Sources

This compendium cites its sources once for the whole document rather than per territory. Its bibliography names the English Wikipedia articles for each polity as the primary basis, cross-checked against Encyclopædia Britannica, the World History Encyclopedia and the scholarship of Donald Queller, Thomas Madden and Jonathan Harris on the Fourth Crusade, whose post-conspiracy reading of 1204 this document follows. The article this entry is anchored on:

This entry was last updated .

This entry was researched and drafted with AI from the sources above, and has not been reviewed by a historian. How entries are made

Text available under CC BY-SA 4.0: reuse it with a credit to The World Through Time and a link to this page. Passages drawing on the Wikipedia articles listed above are also licensed CC BY-SA 4.0 by their contributors.

Border geometry for the map itself comes from Cliopatria v0.12 (Seshat Global History Databank, CC-BY-4.0).

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