jan 1, 1942 - 1942 - Executive Order 9066 sent many Japanese Americans on the West Coast to internment camps solely based on nationality. The use of executive power to forcibly move citizens and permanent residents of the United States had not been used prior and was not used after to any great extent, but this one instance sparked a torrent of court cases of which two reached the supreme court. The order was upheld, bur reparations were eventually paid.