-March 1, 1999: Congo-based Rwandan rebels kill two Americans along with six other foreign tourists in Uganda.

-February, 1999: Three Americans are abducted and killed by Colombian guerrillas.

-August 7, 1998: Terrorists bomb U.S. embassies in Kenya and Tanzania in Africa, killing 224 people - including 12 Americans - and injuring thousands.

-June 25, 1996: Terrorists attack the U.S. military complex at Khobar Towers in Saudi Arabia, killing 19 Americans and wounding hundreds more.

-April 19, 1995 - Bomb rips through the Alfred P. Murrah Federal Building in downtown Oklahoma City, killed 168 and injured more than 500. Timothy McVeigh was convicted of federal murder charges and executed in June.

-Feb. 26 1993: Bomb explodes two stories beneath World Trade Center in Manhattan, killing six and injuring 1,000.

-Oct. 12, 2000: USS Cole was refueling in the Yemeni port of Aden when a small harbor skiff pulled alongside it and detonated explosives, killing 17 sailors, injuring 39 others.