Siege of Mirandola
1321 CE.
Shown on the map at 44.887°, 11.054°.
The siege of Mirandola in 1321, also known as the siege of Duke Passerino, was a military conflict involving Francesco I Pico, first lord of Mirandola, against Rinaldo dei Bonacolsi, better known as Duke Passerino, lord of Mantua.
Text from the Wikipedia article Siege of Mirandola (1321), licensed CC BY-SA 4.0.