and clash with French troops. The French cruiser Suffren opens fire, killing 6,000 Vietnamese. The Workers' Party of South Korea is founded. November 27 – Indian Prime Minister Jawaharlal Nehru appeals to the United States and the Soviet Union to end nuclear testing and to start nuclear disarmament, stating that such an action would "save humanity from the ultimate disaster." November 29 – The All Indonesia Centre of Labour Organizations (SOBSI) is founded in Jakarta. December December 1 – Miguel Alemán Valdés takes office as President of Mexico. December 2 – The International Convention for the Regulation of Whaling is signed in Washington, D.C., to "provide for the proper conservation of whale stocks and thus make possible the orderly development of the whaling industry" through establishment of the International Whaling Commission. December 7 – A fire at the Winecoff Hotel in Atlanta, United States, kills 119. December 11 – UNICEF (the United Nations Children's Emergency Fund) is founded. December 12 The United Nations severs relations with Franco's Spain, and recommends that member countries sever diplomatic relations. Léon Blum founds a government of socialist parties in France. Iran crisis of 1946: Iranian troops recapture the Azerbaijan province. December 14 The International Labour Organization becomes a specialized agency of the United Nations. Proposed United States purchase of Greenland from Denmark: An offer is made through diplomatic channels. Aspen Skiing Company opens Aspen Mountain (ski area) in Colorado with Ski Lift No. 1, at the world's longest chairlift at this time. December 15 The first French India Representative Assembly election is held. Iran crisis of 1946: Iranian troops recapture the Kurdish Republic of Mahabad. December 16 – Siam joins the United Nations (changes its name to Thailand in 1949). December 19 – Viet Minh forces begin a war against French occupying forces in Vietnam, succeeding in 1954 with France's surrender at the Battle of Dien Bien Phu. December 21 – 1946 Nankai earthquake; At least 1,362 people are killed in an earthquake and associated tsunami in Japan. December 22 – The Havana Conference begins between U.S. organized crime bosses in Havana, Cuba. December 24 – France's Fourth Republic is founded. December 25 – The first artificial, self-sustaining nuclear chain reaction in Europe is initiated, within the Soviet (Russian) nuclear reactor F-1. December 31 – U.S. President Harry S. Truman delivers Proclamation 2714, which officially ends hostilities in World War II. Date unknown The