This page will not display properly in your browser. Internet Explorer officially went out of support in June 2022. If you're using a screen reader such as JAWS, please feel free to continue. Otherwise, please consider using another browser.
View all events 1942–1945

July 23, 1942


Gassing Operations Begin at Treblinka

SS Special Detachment Treblinka begins gassing operations at the Treblinka killing center.

Between July 1942 and November 1943, the SS special detachment at Treblinka murders an estimated 925,000 Jews and an unknown number of Poles, Roma (Gypsies), and Soviet prisoners of war in Treblinka 2.

Thank you for supporting our work

We would like to thank Crown Family Philanthropies and the Abe and Ida Cooper Foundation for supporting the ongoing work to create content and resources for the Holocaust Encyclopedia. View the list of all donors.