February 26, 1993. Six people are killed when a bomb in a van explodes under the twin towers of the World Trade Center in New York. Bin Laden is linked to the attack. (Keystone/AP Photo/Ron Frehm)
August 7, 1998. Truck bombs explode at US embassies in Nairobi and Dar es Salaam killing 224, including 12 Americans. Two weeks later, US President Bill Clinton names bin Laden Washington's biggest enemy and launches cruise missiles at sites in Afghanistan and Sudan. (Keystone/AP Photo/Brennan Linsley)
Osama bin Laden in Jalalabad, Afghanistan, 1988 (Keystone/EPA)
October 12, 2000. Bombing of US warship Cole in Aden harbour kills 17 sailors and blows hole in navy vessel's hull. (Keystone/AP Photo/US Navy)
September 11, 2001. Three hijacked planes crash into major US landmarks, destroying New York's twin World Trade Center towers and plunging into the Pentagon in the worst such attack in modern history. A fourth hijacked plane crashes in Pennsylvania. Nearly 3,000 people are killed in total. (Keystone/EPA Photo/AFPI Files/Henry Ray Abrams)
October 7, 2001. Osama bin Laden, the most wanted man in the world, in a hideout with Ayman al-Zawahri, the Al-Qaeda number two. (Keystone/AP Photo/Al Jazeera)
October 12, 2002. Bombs explode in Kuta Beach nightclub district of Bali in Indonesia, killing 202 people. Members of banned Islamic group Jemaah Islamiyah, linked to al-Qaeda, admit responsibility. (Keystone/AP Photo/Itsuo Inouye)
March 11, 2004. Bombs on four commuter trains in Madrid kill 191 people and wound 1,800. (Keystone/EPA/Ballesteros)
July 7, 2005. Four suicide bombers kill 52 people and seriously injure at least 150 in attacks on three London underground trains and a bus. In September, al-Zawahri says al-Qaeda carried out the bombings to strike at "British arrogance". (Keystone/EPA/David Wimsett/UPPA)
December 11, 2007. Two blasts kill at least 41 people, including 17 United Nations staff, at UN offices in Algiers. Al-Qaeda claim responsibility. Keystone/Martial Trezzini)
May 2, 2011. US soldiers in southern Afghanistan follow President Obama announcing bin Laden's death in Abbottabad, 60km north of the Pakistani capital Islamabad. (Keystone/AP Photo/Kevin Frayer)
Osama bin Laden topped the United States' "most wanted" list for almost ten years. Now he has been killed in Pakistan.
A timeline of some of the major attacks carried out or inspired by al-Qaeda and its associates.