Beach assault, Saipan, June 1944. USGov PD. June 15, 1944 U.S. Marines and Army troops, supported by a massive fleet, invade Saipan in the Mariana Islands of the Central Pacific. June 19, 1944 ...

President Roosevelt signing the declaration of war against Japan. December 1941. Library of Congress. July: American government freezes all Japanese assets in the U.S. December: U.S. and Britain ...