Siege of Sancerre
1572 CE.
Shown on the map at 47.331°, 2.839°.
The siege of Sancerre (1572–1573) was a siege of the fortified hilltop city of Sancerre in central France during the Wars of Religion where the Huguenot population held out for nearly eight months against the Catholic forces of the king.
Text from the Wikipedia article Siege of Sancerre, licensed CC BY-SA 4.0.