Siege of Meaux
1421 CE.
Shown on the map at 48.959°, 2.888°.
The siege of Meaux was fought from October 1421 to May 1422 between the English and the French during the Hundred Years' War. The English were led by King Henry V. Henry became ill while pressing this long siege, which took place during the winter months, and died on 31 August as a result.
Text from the Wikipedia article Siege of Meaux, licensed CC BY-SA 4.0.