Polonnaruwa massacre
1992 CE.
Shown on the map at 7.950°, 81.000°.
The Polonnaruwa massacre was a series of attacks on civilians in the villages of Alanchipothana, Karapola, Madurangala and Muthugal in eastern Polonnaruwa District, Sri Lanka on 29 April 1992 which left 157 dead. The massacres were blamed on the Liberation Tigers of Tamil Eelam, Sri Lankan Home Guards and the Sri Lankan Police.
Text from the Wikipedia article Polonnaruwa massacre, licensed CC BY-SA 4.0.