Jewish prisoners at the Sobibor killing center begin an armed revolt. About 300 escape. SS functionaries and police units, with assistance from German military units, recapture about 100 and kill them.
During the Sobibor prisoner uprising, Selma Wijnberg and Chaim Engel, who had fallen in love at the camp, escaped together. Two weeks later, in hiding in a barn, Selma began her diary describing their escape, their fears in hiding, and their love for each other.