Thessaly and the Duchy of Neopatras Timeline

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  • c. 1267
    The independent state of Thessaly is established under John I Doukas.
  • c. 1267 - 1289
    Reign of John I Doukas in Thessaly.
  • 1277
    Attempted Byzantine invasion of Thessaly.
  • 1282
    Attempted Byzantine invasion of Thessaly failed due to the death of Michael VIII Palaiologos.
  • 1289 - 1303
    Reign of Constantine Doukas in Thessaly.
  • 1289 - 1299
    Reign of Theodore Doukas in Thessaly.
  • 1295
    Byzantine Emperor Andronikos II Palaiologos grants the title of sebastokrator to Constantine and Theodore Doukas of Thessaly.
  • 1303 - 1318
    Reign of John II Doukas in Thessaly.
  • 1309
    Walter of Brienne, Duke of Athens, engages the Catalan Company to bring Thessaly under Athenian control.
  • 1311
    Battle of Halmyros: the Catalan Company defeats and kills Walter of Brienne, Duke of Athens.
  • 1318
    Dissolution of Thessaly upon the death of John II Doukas.
  • 1319 - 1394
    Duchy of Neopatras, under the Duchy of Athens.