March 9 - Approximately a dozen armed HanafiMuslims take over 3 buildings in Washington, DC, killing 1 person and taking more than 130 hostages. The hostage situation ends 2 days later.
May 14 - In Milan, Italy, during a far-left demonstration, a hooded person shoots at the police, killing a policeman, Antonio Custra. The scene is photographed and the picture of the hooded man shooting in the middle of the street will appear in many magazines around the world.
May 23 - Moluccan terrorists take over a school in Bovensmilde, northern Netherlands (105 hostages), and a passenger train in Bovensmilde-Assen route nearby (90 hostages) at the same time. On June 11, Dutch Royal Marines storm the train; 6 terrorists and 2 hostages are killed.
May 25 - Star Wars opens in cinemas and subsequently becomes the then-highest grossing film of all time.
June 26 - Some 200,000 protesters march through the streets of San Francisco, protesting Anita Bryant's anti-gay remarks and the murder of Robert Hillsborough.
July 24 - Led Zeppelin play their last U.S. concert in Oakland, CA at the Oakland-Alameda County Coliseum. A brawl erupts between Led Zeppelin's crew and promoter Bill Graham's staff resulting in criminal assault charges for several of Led Zeppelin's entourage including drummer John Bonham.
July 30 - Left-wing German terrorists Susanne Albrecht , Brigitte Mohnhaupt and a third person assassinate Jürgen Ponto , chairman of the Dresdner Bank in Oberursel, West Germany.
August 9 - The military-controlled Government of Uruguay announces that it will return the nation to civilian rule through general elections in 1981 for a President and Congress.
September 7 - Treaties between Panama and the United States on the status of the Panama Canal are signed. The U.S. agrees to transfer control of the canal to Panama at the end of the 20th century.
September 8 - INTERPOL issues a resolution against the piracy of video tapes and other material, which is still cited in warnings on opening pre-credits of videocassettes and DVDs today.
October 26 - The last natural smallpox case is discovered in Merca district, Somalia. The WHO and the CDC consider this date the anniversary of the eradication of smallpox, the most spectacular success of vaccination and, by extension, of modern science.
November 9 - Gen. Hugo Banzer, President of the military government of Bolivia, announces that the constitutional democracy will be restored in 1978 instead of 1980 as previously provided.
December 13 - A DC-3 charter plane carrying the University of Evansville basketball team to Nashville, Tenn., crashes in rain and dense fog about 90 seconds after takeoff from Evansville Dress Regional Airport. Twenty-nine people die in the crash, including 14 members of the team and its head coach Bob Watson.
December 16 - Mikhail Baryshnikov's production of The Nutcracker, adapted from his stage version, and in which he stars with Gelsey Kirkland and the American Ballet Theatre, is shown on television for the first time by CBS. It later moves to PBS, where it becomes an annual attraction for many years. The production eventually becomes the most popular video version of the ballet.