Magazine prison break
1980 CE.
Shown on the map at 6.922°, 79.880°.
The attack on the Magazine prison was an attack carried by Deshapremi Janatha Viyaparaya (Patriotic People's Movement), the armed wing of the JVP which was staging a rebellion within Sri Lanka.
Text from the Wikipedia article Attack on the Magazine prison, licensed CC BY-SA 4.0.