Siege of the Castle of Saint George
1500 CE.
Shown on the map at 38.200°, 20.500°.
The siege of the Castle of Saint George, also known as the siege of Cephalonia, occurred from 8 November until 24 December 1500, when following a series of Venetian disasters at the hands of the Turks, the Spanish-Venetian army under Captain Gonzalo Fernández de Córdoba and Benedetto Pesaro succeeded in capturing the Ottoman stronghold of Cephalonia.
Text from the Wikipedia article Siege of the Castle of Saint George, licensed CC BY-SA 4.0.