into a Zone occupée in the north and west, under the Military Administration in France (Nazi Germany), and a southern Zone libre, Vichy France. Albert Einstein gives a public address in the "I'm An American" series, on becoming an American citizen. June 23 – WWII: German leader Adolf Hitler surveys newly defeated Paris, in now-occupied France. June 24 WWII: Vichy France signs armistice terms with Italy. WWII: Operation Fish – British Royal Navy cruiser sails from Greenock (Scotland) in convoy for Halifax, Nova Scotia (arriving July 1), carrying a large part of the gold reserves of the United Kingdom and securities for safe keeping in Canada. United States politics: The Republican Party begins its national convention in Philadelphia, and nominates Wendell Willkie as its candidate for president. June 25 – WWII: After the defeat of France, Hitler plans for an invasion of Switzerland, known as Operation Tannenbaum. June 26 – Soviet calendar: The Soviet Union reverts to a seven-day week for all purposes. June 28 General Charles de Gaulle is officially recognized by Britain as the "Leader of all Free Frenchmen, wherever they may be." Romania cedes Bessarabia and northern Bukovina to the Soviet Union, after an ultimatum. June 30 WWII: German forces land in Guernsey, marking the start of the 5-year Occupation of the Channel Islands. Federal government of the United States reorganisation: The Civil Aeronautics Administration is placed under the Department of Commerce. The U.S. Food and Drug Administration is placed under the Federal Security Agency. The United States Fish and Wildlife Service is placed under the Department of the Interior. July July 1 – The first Tacoma Narrows Bridge opens for business, built with an girder and above the water, as the third-longest suspension bridge in the world. July 2 – WWII: British-owned , carrying civilian internees and POWs of Italian and German origin from Liverpool to Canada, is torpedoed and sunk by off northwest Ireland, with the loss of around 865 lives. July 3 – WWII: Attack on Mers-el-Kébir: British naval units sink or seize ships of the French fleet anchored in the Algerian ports of Mers-el-Kebir and Oran, to prevent them from falling into German hands. The following day, Vichy France breaks off diplomatic relations with Britain. July 5 – WWII: Operation Fish – A British convoy including HMS Batory sails from Greenock (Scotland) for Halifax, Nova Scotia, carrying gold bar and other valuables worth