The participation of Reserve Police Battalion 101 in the Final Solution culminated in the '' Aktion Erntefest '' massacres of Jews imprisoned at the Trawniki , Poniatowa and Majdanek concentration camps with subcamps in Budzyn , Kraśnik , Puławy , Lipowa and other slave-labor projects of the '' Ostindustrie '' ( Osti ) . Approximately 43,000 Jews were killed . It was the largest single-day massacre of the Holocaust under direct German occupation , committed on 3 November 1943 on the orders of Christian Wirth . Trawniki men provided the necessary manpower
Aktion Erntefest
Aktion Erntefest
Reserve Police Battalion 101