Siege of Mexico City
1867 CE.
Shown on the map at 19.419°, -99.146°.
The siege of Mexico City was an 1867 military engagement in the Second French intervention in Mexico between Republican forces, aided by the United States, and Emperor Maximilian's troops, aided by the French Empire and Austria-Hungary, encompassing in the siege of the city. It was the last armed conflict of the Second Mexican Empire and the fall of the city resulted in the transition of the Empire into the Republic led by Benito Juárez.
Text from the Wikipedia article Siege of Mexico City, licensed CC BY-SA 4.0.