Spain, January 27: Atocha massacre in Spain. Far-right members (of?) killed five people in a shooting.
United States, March 9: 1977 Hanafi Siege. Three buildings in Washington, DC were seized by members of the militant African-American Muslim Hanafi sect, and over 100 hostages were taken. One bystander was shot and killed, and Washington city councilman Marion Barry was shot in the chest. After a two-day standoff, all hostages were released from the District Building (city hall), B'nai B'rith headquarters, and the Islamic Center.
United Kingdom, June 2: Three members of a Royal Ulster Constabulary (RUC) Police Force mobile patrol were shot and killed by IRA snipers near Ardboe, County Tyrone. It was part of ongoing attacks against police and army.
United States, July 24: The home of Morris Amitay was bombed in the early morning hours. Mr Amitay was Executive Director of the American Israeli Public Affairs Committee. None of the sleeping family was hurt.
Rhodesia, August 6: A 30 kg bomb exploded in a Woolworths store in Salisbury killing 11 people and wounding 76. The victims were black, white and coloured. The store on the corner of Pioneer Street, and Bank Street was also badly damaged.