The Atocha massacre occurs in Madrid during the Spanish transition to democracy.

1977 Atocha massacre

Far-right attack in Madrid, Spain

The 1977 Atocha massacre was an attack by right-wing extremists in the center of Madrid on 24 January 1977, which saw the assassination of five labor activists from the Communist Party of Spain (PCE) and the workers' federation Comisiones Obreras (CC.OO). The act occurred within…