war that collaborated with Nazi Germany, are executed in Moscow, Soviet Union for treason. 1950 – Guam is organized as an unincorporated territory of the United States as the President Harry S. Truman signs the Guam Organic Act. 1957 – The United States and Canada form the North American Aerospace Defense Command (NORAD). 1960 – Dahomey (later renamed Benin) declares independence from France. 1960 – Islamabad is declared the federal capital of the Government of Pakistan. 1961 – U.S. Defense Secretary Robert McNamara orders the creation of the Defense Intelligence Agency (DIA), the nation's first centralized military espionage organization. 1964 – The former Belgian Congo is renamed the Democratic Republic of the Congo. 1965 – Frank Herbert's novel, Dune was published for the first time. It was named as the world's best-selling science fiction novel in 2003. 1966 – Charles Whitman kills 16 people at the University of Texas at Austin before being killed by the police. 1966 – Purges of intellectuals and imperialists becomes official China policy at the beginning of the Cultural Revolution. 1968 – The coronation is held of Hassanal Bolkiah, the 29th Sultan of Brunei. 1971 – The Concert for Bangladesh, organized by former Beatle George Harrison, is held at Madison Square Garden in New York City. 1974 – Cyprus dispute: The United Nations Security Council authorizes the UNFICYP to create the "Green Line", dividing Cyprus into two zones. 1976 – Niki Lauda has a severe accident that almost claims his life at the German Grand Prix at Nurburgring. 1980 – Vigdís Finnbogadóttir is elected President of Iceland and becomes the world's first democratically elected female head of state. 1980 – A train crash kills 18 people in County Cork, Ireland. 1981 – MTV begins broadcasting in the United States and airs its first video, "Video Killed the Radio Star" by The Buggles. 1984 – Commercial peat-cutters discover the preserved bog body of a man, called Lindow Man, at Lindow Moss, Cheshire, England. 1988 – A British soldier was killed in the Inglis Barracks bombing in London, England. 1993 – The Great Mississippi and Missouri Rivers Flood of 1993 comes to a peak. 2004 – A supermarket fire kills 396 people and injures 500 others in Asunción, Paraguay. 2007 – The I-35W Mississippi River bridge spanning the Mississippi River in Minneapolis, Minnesota, collapses during the evening rush hour, killing 13 people and injuring 145. 2008 –