Siege of Neamţ Citadel
1476 CE.
Shown on the map at 47.214°, 26.343°.
The Siege of Neamț Citadel took place during the Moldavian–Ottoman War. It was conducted by the Ottoman army of Mehmed the Conqueror against the Moldavian garrison of Stephan the Great. It took place on c. August 1476.
Text from the Wikipedia article Siege of Neamț Citadel, licensed CC BY-SA 4.0.