In July of 1942 (coinciding with Av 5702), the Nazis began a major deportation of Jews from the Warsaw ghetto to the Treblinka concentration camp. By September, 235,000 Jews were murdered in the gas chambers. Part of the This Week in Jewish History series, more available at Henry Abramson is a Dean of Touro’s Lander Colleges, serving at the Avenue J campus in Brooklyn, NY.