Today in World War II History—September 3, 1941

Labels taken from canisters of Zyklon B from Dachau, used as evidence at the Nuremberg Trials, 7 April 1946 (US National Archives: 03563)
80 Years Ago—Sept. 3, 1941: Nazis first experiment with the use of Zyklon-B in the gas chambers at Auschwitz on Soviet POWs.
Soviets begin rounding up ethnic Germans in USSR; by January 1942, 800,000 will be sent to Siberia.
Trial begins for 33 German spies in the Duquesne ring, in Brooklyn, NY.

Thirty-three mug shot portraits of the Duquesne spy ring; Duquesne is in the first row, far right (Library of Congress: cph.3c28525)