$1.7 billion for safe keeping in Canada, the largest movement of wealth in history. July 6 Story Bridge opens in Brisbane. WWII: British submarine is sunk. July 10 – WWII: The Battle of Britain begins. July 11 WWII: British destroyer is torpedoed and sunk by an Italian submarine. WWII: Vichy France begins with a constitutional law which only 80 members of the parliament vote against. Philippe Pétain becomes Prime Minister of France. July 14 – WWII: Winston Churchill, in a worldwide broadcast, proclaims the intention of Great Britain to fight alone against Germany whatever the outcome: "We shall seek no terms. We shall tolerate no parley. We may show mercy. We shall ask none." July 15 – U.S. politics: The Democratic Party begins its national convention in Chicago, and nominates Franklin D. Roosevelt for an unprecedented third term as president. July 19 WWII: Battle of Cape Spada: and five destroyers sink the Italian cruiser Bartolomeo Colleoni. WWII: Adolf Hitler makes a peace appeal to Britain, in an address to the Reichstag. BBC German-language broadcaster Sefton Delmer unofficially rejects it at once and Lord Halifax, the British foreign minister, flatly rejects peace terms in a broadcast reply on July 22. July 20–August 4 – Scheduled dates for the 1940 Summer Olympics in Helsinki, Finland, cancelled in November 1939 due to WWII (originally allocated to Tokyo, Japan). July 21 After rigged parliamentary elections in the three occupied countries on July 14–15, the parliaments proclaim the Estonian, Latvian and Lithuanian Soviet Socialist Republics. The Mitsubishi A6M Zero fighter aircraft enters service, so named as 1940 roughly corresponds to the year 2600 on the Japanese Imperial calendar. July 23 – Welles Declaration: United States Under Secretary of State Sumner Welles announces that the U.S. will not accord diplomatic recognition to the Soviet Union's occupation of the Baltic states. July 25 – General Henri Guisan addresses the officer corps of the Swiss army at Rütli, resolving to resist any invasion of the country. July 27 Eleven British nationals, including Melville James Cox, are arrested on suspicion of spying for military intelligence by the secret police in Japan. Cox commits suicide in Tokyo on July 29, according to a report by the Japanese Foreign Ministry. Bugs Bunny makes his debut in the Oscar-nominated cartoon short, A Wild Hare. However, it is not until 1941 that his name is adopted. August August 1 – WWII: British submarine