Bachelor's Walk massacre
1914 CE.
Shown on the map at 53.347°, -6.261°.
The Bachelor's Walk massacre occurred in Dublin, on 26 July 1914, when a column of troops of the King's Own Scottish Borderers opened fire on a crowd on Bachelor's Walk. The incident, which followed the Howth gun-running operation, resulted in the deaths of four civilians and injuries to more than 30 more.
Text from the Wikipedia article Bachelor's Walk massacre, licensed CC BY-SA 4.0.