January 7: After shooting a police officer a week earlier, Mark Essex, a former Black Panther party member shot nineteen people (ten of them police officers) in retaliation for police killings at a Howard Johnsons hotel in New Orleans. In addition, he also set fires in the hotel before being killed by police.
A New York City transit detective is killed and ten law enforcement personnel are shot, four by machine gun, during the year mostly in and around New York City by the Black Liberation Army. Also two members of that organization are arrested with a car full of explosives. In the next few years there are a number of violent incidents involving this organization but they are more criminal in nature.[6]
March 1: Black September takes ten hostages (five of them diplomats) at the Saudi Arabian embassy in Khartoum, Sudan. Three western diplomats are killed.
September 1: A man blows himself up inside Lenin Mausoleum on Moscow's Red Square. Two women standing next to him also died.[11]
September 10: The IRA set off bombs at Londons King's Cross Station and Euston Station injuring 21 people.[12]
September 28: Chopin-Express: Two Arab terrorists hijack the Chopin-Express from Moscow to Vienna at the East-West border in Marchegg. The train is often used by Jewish exilants from the USSR. The terrorists demand the closure of an Austrian transit camp for Jews on their way to Israel. Chancellor Kreisky (Jewish himself) complies and allows the terrorists to evade to Libya.
December 14: The Algerian consulate in Marseilles was bombed by the anti-Arab Charles Martel Group. Four people were killed and another twenty were injured in the bombing.[13]
December 17: Pan Am Flight 110: 30 passengers were killed when phosphorus bombs are thrown aboard the aircraft as it prepares for departure.
January 20: Two IRA volunteers hijack a helicopter from Donegal in the Irish Republic and use it to drop bombs on a British Barracks in Strabane, Northern Ireland.
January 31: Laju incident: JRA–PFLPattack on a Shell facility in Singapore and the simultaneous seizure of the Japanese embassy in Kuwait.
February 4: Twelve people (9 soldiers & 3 civilians) are killed by the IRA in the M62 Coach Bombing.
April 11: Kiryat Shmona massacre at an apartment building by the Popular Front for the Liberation of Palestine members, killing 18 people, nine of whom were children.
May 15: Ma'alot massacre at the Ma'alot High School in Northern Israel by Popular Front for the Liberation of Palestine members: 26 of the hostages were killed, 66 wounded.
May 17: Ulster Volunteer Forcedetonate three car bombs in Dublin and one in Monaghan; 35 dead – killing 35 civilians, the deadliest toll of any one day in Ireland's 'Troubles'.
May 28: Eight people are killed and at least 90 wounded when a bomb placed in a rubbish bin explodes in the Piazza della Loggia bombing.
June 17: The IRA plant a bomb which explodes at the Houses of Parliament, London, causing extensive damage and injuring eleven people.[14]
August 4: Italicus Express train between Roma and Brennero explodes, killing twelve and injuring 44. Attributed to fascist group Ordine nero.
August 30: Powerful bomb explodes at the Mitsubishi Heavy Industries headquarters in Marunouchi, Tokyo, Japan. 8 killed, 378 injured. Eight left-wing activists are arrested May 19, 1975 by Japanese authorities.
September 8: TWA Flight 841: Bomb kills 88 on jetliner. Attributed to Abu Nidal and his terrorist organization.
September 13: Basque ETA group bombs the "Rolando" cafeteria in Madrid and kills twelve people.
October 5: Guildford pub bombing by the IRA leaves four off duty soldiers and a civilian dead and 44 injured.
October 22: A bomb planted by the Provisional IRA explodes in London injuring three people.[15]
November 21: Birmingham pub bombing by the IRA kills 21, 182 people are injured.
December 11: A bomb set off by the Puerto Rican nationalist group FALN in East Harlem, New York permanently disables a police officer. The officer lost an eye as a result of this act.
March 1: Black September takes ten hostages (five of them diplomats) at the Saudi Arabian embassy in Khartoum, Sudan. Three western diplomats are killed.
May 17: The IRA kills 5 British soldiers 
September 1: A man blows himself up inside Lenin Mausoleum on Moscow's Red Square. Two women standing next to him also died.[11]
September 28: Chopin-Express: Two Arab terrorists hijack the Chopin-Express from Moscow to Vienna at the East-West border in Marchegg. The train is often used by Jewish exilants from the USSR. The terrorists demand the closure of an Austrian transit camp for Jews on their way to Israel. Chancellor Kreisky (Jewish himself) complies and allows the terrorists to evade to Libya.
December 14: The Algerian consulate in Marseilles was bombed by the anti-Arab Charles Martel Group. Four people were killed and another twenty were injured in the bombing.[13]
December 17: Pan Am Flight 110: 30 passengers were killed when phosphorus bombs are thrown aboard the aircraft as it prepares for departure.
December 20: 
January 31: Laju incident: JRA–PFLP 
April 11: Kiryat Shmona massacre at 
May 17: Ulster Volunteer Force