On this day, July 22, 1942, German SS and police began mass deportations from the Warsaw ghetto to Treblinka. About 265,000 Jews were deported by September.
On 13–14 July 1942, German SS and Ukrainian police cleared the remaining Rivne ghetto. About 5,000 Jews were taken to the forest near Kostopil and shot.
On this day, January 20, 1942, Reinhard Heydrich chaired a meeting at a villa on the Wannsee in Berlin to coordinate the already-decided mass murder of European Jews.