The Battle of the Cyzicus (Catalan language: Batalla del riu Cízic) was fought in October 1303 between the Catalan Company of the East under Roger de Flor, acting as mercenaries on behalf of the Byzantine Empire, and the Karasid Turks under Karesi Bey. The result was a crushing Catalan victory.
Coordinates: 40°22′48″N 27°53′19″E / 40.38°N 27.88861°E
The original article can be found at Battle of the Cyzicus and the edit history here.