pearl harbour
... Following the Japanese surprise attack on Pearl Harbour on December 7, 1941, hostility against Japanese Americans turned into paranoia - and paranoia became law. ... The day after Pearl Harbour, the U. ... ) President Franklin Delano Roosevelt declared that the day of the Japanese attack on Pearl Harbor, December 7, 1941, would live in infamy. ... Prior to Pearl Harbor, the United States had been involved in the European war only by supplying England and other antifascist countries of Europe with the munitions of war. The attack on Pearl Harbor also launched a rash of fear about national security, especially on the West Coast. In February 1942, just two months after Pearl Harbor, President Roosevelt as commander-in-chief, issued Executive Order 9066, which had the effect of relocating all persons of Japanese ancestry, both citizens and aliens, inland, outside of the Pacific military zone.