21 JulyBloody Friday - within the space of 75 minutes, the Provisional IRA exploded 22 bombs in Belfast. Nine people were killed (including two British soldiers and one UDA member) while 130 were injured.
22 December The Provisional IRA announced a Christmas ceasefire. Prior to ceasefire, they carried out a bomb attack on the home of former Prime Minister Edward Heath. Mr Heath was not in the building at the time and no one was injured.
16 March Mildred Harrison (26), a Protestant, was the first RUC woman to be murdered on duty, killed by an explosion from a UVF bomb while on foot patrol passing Ormeau Arms Bar, High Street, Bangor, County Down.
17 July Four British soldiers were killed by a Provisional IRA bomb near Forkhill, County Armagh. The attack was the first major breach of the February truce.
5 September Two killed and 63 injured when a bomb was detonated in the lobby of London's Hilton Hotel.
8 NovemberRemembrance Day bombing - 11 civilians were killed and sixty-three injured by a Provisional IRA bomb during a Remembrance Day service in Enniskillen, County Fermanagh. One of those killed was Marie Wilson. In an emotional BBC interview, her father Gordon Wilson (who was injured in the attack) expressed forgiveness towards his daughter's killer, and asked Loyalists not to seek revenge. He became a leading peace campaigner and was later elected to the Irish Senate. He died in 1995.
9 April Four UDR soldiers were killed when the Provisional IRA detonated a culvert bomb under their patrol vehicle in Downpatrick, County Down. The bomb contained over 1,000 lb (450 kg) of explosive and was so powerful that the vehicle was blown into a nearby field.
6 September The Provisional IRA planted two bombs aboard the Royal Fleet Auxiliary replenishment ship RFA Fort Victoria. One of them exploded, disabling the ship which had been constructed in Belfast and launched some weeks before. The second bomb failed to go off and was found and defused 15 days later.
24 OctoberProxy bomb attacks - the Provisional IRA launched three "proxy bombs" or "human bombs" at British Army checkpoints. Three men (who were working with the British Army) were tied into cars loaded with explosives and ordered to drive to each checkpoint. Each bomb was detonated by remote control. The first exploded at a checkpoint in Coshquin, killing the driver and five soldiers. The second exploded at a checkpoint in Killean; the driver narrowly escaped but one soldier was killed. The third failed to detonate.
18 February A Provisional IRA bomb exploded in a litter bin at Victoria Station, London, killing David Corner, and injuring 38. Since that time, there have been no litter bins anywhere on the station platform.
31 MayGlenanne barracks bombing - the Provisional IRA launched a large truck bomb attack on a UDR barracks in County Armagh. Three soldiers were killed, whilst ten soldiers and four civilians were wounded.
17 JanuaryTeebane bombing - A 600 pounds (270 kg) -1,500 pounds (680 kg) per another source- roadside bomb detonated by the Provisional IRA destroyed a van and killed eight construction workers (one of them a soldier) on their way back from Lisanelly British Army barracks in Omagh, County Tyrone, where they were making repairs. Another eight were wounded.
10 AprilBaltic Exchange bombing - a van loaded with one-ton of home-made explosives went off outside the building of the Baltic Exchange company, at 30 St Mary Axe, London, killing three people and injuring other 91. The Provisional IRA bomb caused £800 million worth of damage, £200 million more than the total damage caused by the 10,000 explosions that had occurred during the Troubles in Northern Ireland up to that point.
1 MayAttack on Cloghogue checkpoint - the Provisional IRA, using a van modified to run on railway tracks, launched an unconventional bomb attack on a British Army checkpoint in South Armagh. The checkpoint was obliterated when the 1,000 kg bomb exploded, killing one soldier and injuring 23.
12 MayCoalisland riots - After a small Provisional IRA bomb attack in the village of Cappagh, in which a paratrooper lost both legs, British soldiers raided two public houses and caused considerable damage in the nearby town of Coalisland. This led five days later to a fist-fight between soldiers and local inhabitants. Shortly thereafter, another group of British paratroopers arrived and fired on a crowd of civilians, injuring seven. Two soldiers were hospitalized.
23 September The Provisional IRA exploded a 3,700 lb bomb at the Northern Ireland forensic science laboratory in south Belfast. The laboratory was obliterated, 700 houses were damaged, and 20 people were injured. 490 owner and occupiers claim for damages.
21 October The IRA exploded a 200-pound (91 kg) bomb, causing large amounts of damage to nearby buildings, in Main Street, Bangor, County Down.
4 February Two IRA bombs exploded in the London area, one at a London Underground station and another on a Network Southeast train in Kent.
7 March The IRA exploded a 500-pound (230 kg) car bomb in Main Street, Bangor, County Down. Four Royal Ulster Constabulary (RUC) officers were injured in the explosion; the cost of the damage was later estimated at £2 million, as there was extensive damage to retail premises and Trinity Presbyterian Church, as well as minor damage to the local Church of Ireland Parish Church and First Bangor Presbyterian Church.
24 AprilBishopsgate bombing - after a telephoned warning, the Provisional IRA exploded a large bomb at Bishopsgate, London. It killed one civilian, wounded 30 others, and caused an estimated £350 million in damage.
6 July A large IRA bomb caused widespread damage to the centre of Newtownards, Co Down. The centre of the market town was devastated by a bomb which the IRA said contained 1,500 lbs of explosive. Seven people were injured, one seriously.
9 FebruaryLondon Docklands bombing - the Provisional IRA bombed the Docklands in London. The bomb killed two civilians, and brought to an end the ceasefire after 17 months and nine days.
15 JuneManchester bombing - the Provisional IRA exploded a bomb in Manchester, England. It destroyed a large part of the city centre and injured over 200 people. To date, it is the largest bomb to be planted on the British mainland since the second world war. The devastation was so great, that several buildings were damaged beyond repair, and had to be demolished.
16 September Markethill bombing - the dissident Continuity IRA (CIRA) planted a 400-lb van bomb in the village of Markethill, County Armagh, just outside the local RUC station, causing widespread damage but a few injures. The bombing happened a day after Sinn Féin joined the political negotiations which led to the Good Friday Agreement.
15 AugustOmagh bombing - a dissident republican group calling itself the Real IRA exploded a bomb in Omagh, County Tyrone. It killed 29 civilians, making it the worst single bombing of the Troubles, in terms of civilian life lost.