907 Jewish refugees, is denied permission to land in Florida, after already having been turned away from Cuba. Forced to return to Europe, many of its passengers later die in Nazi death camps during The Holocaust. June 10 – MGM's first successful animated character, Barney Bear, makes his debut in The Bear That Couldn't Sleep. However, it is not until 1942 that his name is adopted. June 12 – The National Baseball Hall of Fame and Museum is officially dedicated in Cooperstown, New York. June 14 – Tientsin Incident: The Japanese blockade the British concession in Tianjin, China, beginning a crisis which almost causes an Anglo-Japanese war in the summer of 1939. June 17 – In the last public guillotining in France, murderer Eugen Weidmann is executed. June 23 – Talks are completed in Ankara between French Ambassador René Massigli and Turkish Foreign Minister Şükrü Saracoğlu, resolving the Hatay dispute in Turkey's favor. Turkey annexes Hatay. June 24 – The government of Siam changes its name to Thailand, which means 'Free Land'. June 29 – The Ford 9N tractor, with the Ferguson hydraulic three-point hitch, is first demonstrated at Dearborn, Michigan. July July 4 – The Neuengamme concentration camp becomes autonomous. July 6 – The last remaining Jewish enterprises in Germany are closed by the Nazis. July 8 – The Pan American Airways Boeing 314 flying boat Yankee Clipper inaugurates the world's first heavier-than-air North Atlantic air passenger service, between the United States (Port Washington, New York) and Britain. July 23 – Mahatma Gandhi writes a personal letter to Adolf Hitler from India, addressing him as "My friend", requesting him to prevent any possible war. July 27 – The first recorded snow falls in Auckland, New Zealand, since records began in 1853. August August 2 – The Einstein–Szilard letter is signed by Albert Einstein, advising President of the United States Franklin D. Roosevelt of the potential use of uranium to construct an atomic bomb. It is delivered on October 11 and leads to the first meeting on October 21 of the Advisory Committee on Uranium. August 4 – Prime Minister Neville Chamberlain dismisses the Parliament of the United Kingdom until October 3. August 15 – MGM's classic color musical film The Wizard of Oz, based on L. Frank Baum's famous novel of 1900, and starring Judy Garland as Dorothy, premieres at Grauman's Chinese Theatre in Hollywood. On August 25 it