Nov. 4, 1979 Islamic students storm the U.S. Embassy in Tehran, Iran, holding 52 Americans hostage for 444 days. All hostages are released unharmed hours after Ronald Reagan is inaugurated the 40th U.S. president.

April 18, 1983 A suicide car-bomber blows up the U.S. Embassy in Beirut, killing 63 people, including 17 Americans.

Oct. 23, 1983 A Shiite suicide bomber blows up the U.S. Marine barracks in Beirut, Lebanon, killing 241 Marines and 58 French paratroopers - all members of a U.N. peacekeeping force.

Dec. 12, 1983 Shiite extremists set off car bombs in front of the U.S. and French embassies in Kuwait City, killing five people and wounding 86.

Sept. 20, 1984 A car bomb at the U.S. Embassy annex in east Beirut, Lebanon kills 16 and injures the ambassador.

April 12, 1985 Near a U.S. air base in Madrid, a bomb explodes in a restaurant popular with Americans, killing 18, all Spaniards, and injuring 82 - among them 15 Americans.

June 14, 1985 Shiite gunmen seize a TWA airliner and force it to Beirut, Lebanon. U.S. Navy diver Robert Stethem is killed at the start of the ordeal and 39 Americans are held hostage for 17 days.

Aug. 8, 1985 A large car bomb kills two and injures 20 at a U.S. base in Frankfurt. A U.S. soldier murdered for his identity papers is found the day after the blast.

Oct. 7, 1985 Palestinian terrorists hijack Italian cruise liner Achille Lauro, which is sailing in the Mediterranean Sea. They shoot Leon Klinghoffer, an elderly wheelchair-bound New Yorker, and throw him overboard. The hijackers surrender to Egyptian authorities two days later.

Dec. 18, 1985 An Arab suicide squad simultaneously attacks U.S. and Israeli check-in desks at the international airports of Rome and Vienna. The attacks claim a total of 20 lives, including four guerrillas.

April 2, 1986 Four Americans are killed when a bomb under a seat explodes on a TWA airliner en route from Rome to Athens.

April 5, 1986 A West Berlin disco frequented by Americans is bombed. The blast kills two U.S. soldiers and a German woman, and injures 150 people, many of them off-duty military personnel.

Sept. 5, 1986 Hijackers seize a Pan Am 747 carrying 358 people at Karachi Airport. Twenty people are killed when security forces storm the plane.

Dec. 21, 1988 On its way from London to New York, a Pan Am Boeing 747 explodes over Lockerbie, Scotland, killing all 259 people on the plane and 11 on the ground.

Feb. 26, 1993 A bomb explodes in a parking garage below the World Trade Center in New York, killing six people and wounding more than 1,000. Six Islamic militants were convicted in the bombing and sentenced to life in prison.

Sept. 13, 1995 A rocket-propelled grenade pierces the wall of the U.S. Embassy in Moscow, but causes no injuries.

Nov. 13, 1995 A car bomb detonates at the U.S. military head-quarters in Riyadh, Saudi Arabia, killing seven people, five of them Americans.

June 25, 1996 A fuel truck bomb explodes outside the Khobar Towers housing complex near Dharan, Saudi Arabia, killing 19 U.S. Air Force personnel and injuring more than 500 Americans and Saudis.

Aug. 7, 1998 Twin bomb blasts rock the U.S. embassies in Nairobi, Kenya, and Dar es Salaam, Tanzania. The blasts kill at least 247 people in Nairobi and 10 in Dar es Salaam, with more than 5,000 injured. Twelve Americans die in the Nairobi blast.

Oct. 12, 2000 A bomb triggered by suicide bombers aboard a small boat tears a 40-by-40-foot hole into the side the U.S. destroyer USS Cole in the Yemeni port of Aden, killing 17 sailors and injuring more than 30.

Sept. 11, 2001 Hijacked planes crash into the World Trade Center towers in New York - destroying both - and the Pentagon in Washington, D.C. Approximately 3,000 people are killed in the simultaneous attacks.

January 2002 Wall Street Journal reporter Daniel Pearl is kidnapped in Karachi and killed by Islamic militants protesting the detention of Taliban and al-Qaida fighters at the U.S. Navy base at Guantanamo Bay, Cuba.

May 8, 2002 A suicide car bombing in Karachi kills 11 French engineers.

June 14, 2002 A car bombing at the U.S. Consulate in Karachi kills at least 12 people and injures 50 more. Pakistani police, working with FBI agents, have said the attack was carried out with a 222-pound car bomb. They are not sure whether the device was detonated by remote control or the work of a suicide bomber.

May 12, 2003 In one of the deadliest terror attacks on Americans since Sept. 11, attackers shoot their way into three gated compounds housing Westerners in Riyadh, Saudi Arabia, and set off car bombs. At least 10 Americans are killed and an estimated 50 people are injured, including at least 30 Americans. Secretary of State Colin Powell says the bombings have "the earmarks of al Qaeda."

Aug. 5, 2003 A car bomb explodes outside the Marriott hotel in downtown Jakarta, Indonesia, killing 10 people and wounding nearly 150 - including two Americans. The hotel was the site of many U.S. diplomatic receptions and was also used by U.S. officials for 4th of July celebrations. The militant group Jemaah Islamiyah allegedly claims responsibility for the bombing in remarks published by Singapore's Straits Times newspaper.