Plaza República Dominicana bombing
1986 CE.
Shown on the map at 40.459°, -3.677°.
A car bomb attack was carried out by the armed Basque separatist group ETA in Madrid, Spain, on 14 July 1986, which killed 12 people and injured another 32. The dead were all members of the Guardia Civil studying in the nearby traffic school on Príncipe de Vergara. The ETA members later convicted of participation in the attack included significant figures in the group, including Antonio Troitiño and Iñaki de Juana Chaos.
Text from the Wikipedia article 1986 Madrid bombing, licensed CC BY-SA 4.0.