polity Triarchy of Negroponte (Achea): All Data

This page is about the data available for this polity; the chronology of its events is available here.

Was a state established on the island of Euboea after the partition of the Byzantine Empire following the Fourth Crusade. Initially a vassal of the Kingdom of Thessalonica, it became a vassal of Achea in 1208 and finally a possession of the Republic of Venice.

1. Genealogy

2. Maps of Political Control Over Time

3. Monthly Summaries

4. Time Series