December 11th
1936: Edward VIII, king of Great Britain and Ireland for 325 days, becomes the first English monarch to abdicate the throne voluntarily.
1941: Two days after Congress passed a declaration of war against Japan, Germany and Italy declare war against the United States.
1946: The United Nations establishes the United Nations International Children's Emergency Fund (UNICEF) to provide relief and support to children living in countries devastated by war.
1997: Delegates at the Kyoto, Japan, conference on global warming agree to cut emission of greenhouse gases by 5.2% of 1990 levels during the years 2008 to 2012.