Historical Context. By jaynemcrice Period: Jan 1, 1938 to Jan 1, 1948 WW II Sep 1, 1939 German invades Poland. Dec 7, 1941 Japan attacks Pearl Harbor. Feb 19, 1942 Japanese Americans are sent to Concentration camps. Jul 6, 1942 Anne Frank goes into hiding. Jun 6, 1944 D-Day. Aug 1, 1944 Warsaw Ghetto Uprising. Aug 6, 1945 Hiroshima is bombed.