In June 1944 , 20 Canadian soldiers were massacred in a garden at the abbey by members of the 12th SS Panzer Division '' Hitlerjugend '' over the course of several days and weeks . During the course of the Normandy Campaign an estimated " 156 Canadian prisoners of war are believed to have been executed by the 12th SS Panzer Division ( the Hitler Youth ) in the days and weeks following the D-Day landings . In scattered groups , in various pockets of the Normandy countryside , they were taken aside and shot . "
massacred
Ardenne Abbey massacre
Abbey d'Ardenne