Siege of Mirandola
1355 CE.
Shown on the map at 44.889°, 11.066°.
The siege of Mirandola in 1355, was a military conflict involving Francesco II Pico, first lord of Mirandola, against Bernabò Visconti.
Text from the Wikipedia article Siege of Mirandola (1355), licensed CC BY-SA 4.0.