Byzantine army defeated at Neopatras (1273-1275) (mar 21, 1273 – sep 14, 1275)
Description:
Large scale campaign against John I Doukas of Thessaly. The Byzantine army is defeated at Neopatras, but the navy scores a major victory at DemetriasAdded to timeline:
Date:
mar 21, 1273
sep 14, 1275
~ 2 years and 5 months