Siege of Gaeta
1860 CE.
Shown on the map at 41.222°, 13.555°.
The siege of Gaeta was the concluding event of the war between the Kingdom of Sardinia and the Kingdom of the Two Sicilies, part of the unification of Italy. It started on 5 November 1860 and ended on 13 February 1861, and took place in Gaeta, in today's Southern Lazio (Italy).
Text from the Wikipedia article Siege of Gaeta (1860–1861), licensed CC BY-SA 4.0.