05/12 Mon. Ambassador Nomura presents the Secretary of State with Japanese proposal for establishment of "just peace in the Pacific." 05/15 Thu. Battleship WASHINGTON (BB-56) is commissioned at Philadelphia, Pa. 05/20 Tue. German airborne troops invade Crete. 05/21 Wed. United States freighter ROBIN MOOR, en route to South Africa, is sunk in South Atlantic by German submarine. 05/24 Sat. Construction or acquisition of 550,000 tons of auxiliary shipping for the Navy is authorized. British battle cruiser HOOD is sunk by German battleship BISMARCK in Denmark Straits. 05/27 Tue. President declares a state of unlimited national emergency; he announces that the Atlantic Neutrality Patrol has been extended and that Pacific Fleet units have been transferred to the Atlantic. German battleship BISMARCK is sunk by British Navy in North Atlantic.