Siege of Santuario de Nuestra Señora de la Cabeza
1936 CE.
Shown on the map at 38.309°, -4.064°.
The siege of Santuario de Nuestra Señora de la Cabeza took place from 14 September 1936 to 1 May 1937 in Andújar, Jaén, during the Spanish Civil War. The Republican army surrounded around 1,200 rebel civil guards and falangists who supported the Nationalists and forced them to surrender after a protracted offensive.
Text from the Wikipedia article Siege of Santuario de Nuestra Señora de la Cabeza, licensed CC BY-SA 4.0.