from 22 July, during a two-month ‘action’, 300,000 Jews were sent from Warsaw to Treblinka, destroying Europe’s largest Jewish community. In parts of Ukraine, the ‘sweeps’ by the mobile squads, the Einsatzgruppen, went on without interruption until all the Jewish villages and towns had been wiped out. In the summer of 1942, the remaining Jewish ghettos in the Soviet territories were eliminated.23