A few days before the 78th anniversary of the outbreak of the Warsaw Ghetto Uprising, Mateusz Szpytma, Ph.D., Deputy President of the IPN, laid flowers at the Monument of Jews and Poles Common Martyrdom, located at 21 Gibalskiego Street in Warsaw.  In the years 1940–1943, in this place the Germans murdered and buried in mass graves over 7,000 Poles and Jews .