Germany invades Greece and Yugoslavia. Germans occupy Belgrade, Yugoslavia. Russo-Japanese neutrality pact signed. Allied troops evacuate Greece. Japanese bomb the United States fleet at Pearl Harbor .
Japan invades Malaya.
FDR announcing Declaration of War against Japan. Germany and Italy declare war on United States. United States institutes extended military conscription for men ages 20-44. Rationing in the United States begins with auto tires. By order of FDR , Japanese-Americans living on the West Coast are transferred to internment camps in the interior of the country.