Nov 13, 2015: Gunmen stage multiple attacks in Paris, in spite of heightened security ahead of a UN climate changge conference, killing over 100 people.
January 7, 2015: Gunmen attack French satirical magazine Charlie Hebdo office in Paris, killing 12 people, mostly journalists. The attack was linked to cartoons allegedly derogatory of Islam.
May 24, 2014 - Armed with a Kalashnikov, an intruder guns down four people at the Jewish Museum in Brussels. The suspect was a former French fighter linked to the Islamic State (IS) group in Syria.
May 22, 2013: Two Al Qaeda-inspired extremists stab British soldier Lee Rigby to death in a London street.
March, 2012: Three gun attacks target French soldiers and Jewish civilians in the cities of Montauban and Toulouse in France. Seven people are killed, and five others injured, four seriously.
November 2, 2011: Offices of Charlie Hebdo in Paris are firebombed after the magazine carried a caricature of the Prophet Mohammed on its cover. No one was injured.
July 22, 2011: Anti-Muslim extremist Anders Behring Breivik plants a bomb in Oslo and then attacks a youth camp on Norway's Utoya island, killing 77 people - many of them teenagers.
July 7, 2005: Fifty-two commuters are killed when four Al Qaeda-inspired suicide bombers blow themselves up on three London subway trains and a bus.
September 1, 2004: Three-day school seige begins in Beslan in Russia that involved some 1,100 people being taken hostage and the death of 334 people.
March 11, 2004 - Series of bomb blasts in Madrid's commuter trains kill 191 people and injured over 1,800. It was the worst terrorist attack in Europe since the Lockerbie bombing in 1988.
November, 2003: At least 27 people are killed and more than 400 injured in bombings at the British consulate and the HSBC bank headquarters in Istanbul.
October 23, 2002: Forty armed Chechens seize Moscow's crowded Dubrovka Theater, taking 850 hostages, 130 of whom died in the three-day seige. All the attackers were killed by the Spetsnaz Russian security forces.
December 21, 1988: The Lockerbie bombing - a Pan-Am Boeing 747 is destroyed by a terrorist bomb, killing all 243 passengers and 16 crew on board. Large sections of the aircraft crashed into residential areas of Lockerbie, killing 11 people on the ground.