8 dic 1941 año - Chelmo killing operations begin

Descripción:

The very first Nazi killing operations began at the Chelmo death camp, 30 miles northwest of Lodz, Poland. SS established this complex to annihilate the Jewish population of western Poland. Chelmo was the first facility to use poison gas for mass murder.

https://www.ushmm.org/learn/timeline-of-events/1939-1941/killing-operations-begin-at-chelmno