Decline of the Latin Empire at Constantinople (1240s)

Name: Decline of the Latin Empire at Constantinople (1240s)
Start: 1241
End: 1250

Type Event Region Balkan Peninsula Time 1241–1250

In the 1240s the Latin Empire faced fiscal exhaustion, territorial shrinkage and deepening Venetian dominance at Constantinople, squeezed by Nicaea a…

Timeline

1241–1245Constantinople · Bosphorus StraitThe Latin imperial court long depended on Venetian loans and naval support; imperial finances could not make ends meet, unable to pay mercenary wages, and Venetian control of ports and trade privileges deepened.
1242–1246Thrace · ThraceThe Empire of Nicaea advanced from south to north, Bulgaria controlled parts of Thrace and the Macedonian passes, Latin vassals and fortresses in the Balkan interior fell one after another, and the effective rule of Constantinople shrank greatly.
1247–1250Constantinople · Bosphorus StraitBaldwin II repeatedly traveled to Western Europe to beg for aid, mortgaging the crown to Venice; by the late 1240s the Latin Empire had become a remnant polity dependent on Italian city-states, only a step away from expulsion by Michael VIII in 1261.

Sources

Latin Empire of Constantinople https://www.britannica.com/place/Latin-Emperor
The Fourth Crusade and the Sack of Constantinople — Jonathan Phillips (2005)