Biscari massacre
soldiers were involved in killing 71 unarmed Italian and 2 German prisoners of war ( POWs ) at the Regia Aeronautica's 504 air base in Santo Pietro , a small village near Caltagirone , southern Sicily , Italy on 14 July 1943 . 
<triplet> Sicily <subj> Italy <obj> country <triplet> Italy <subj> Sicily <obj> contains administrative territorial entity