Ardeatine massacre
The Ardeatine massacre , or Fosse Ardeatine massacre , was a mass killing of 335 civilians and political prisoners carried out in Rome on 24 March 1944 by German occupation troops during the Second World War as a reprisal for the Via Rasella attack in central Rome against the SS Police Regiment Bozen the previous day . 
<triplet> Ardeatine massacre <subj> 24 March 1944 <obj> point in time <subj> Second World War <obj> time period <triplet> Ardeatine massacre <subj> 24 March 1944 <obj> point in time <subj> Second World War <obj> time period