Just off the top of my head I can count at least 9 times American interests overseas have been attacked since 911.
2002
June 14, Karachi, Pakistan: bomb exploded outside American consulate in Karachi, Pakistan, killing 12. Linked to al-Qaeda.
2003
May 12, Riyadh, Saudi Arabia: suicide bombers killed 34, including 8 Americans, at housing compounds for Westerners. Al-Qaeda suspected.
2004
May 29–31, Riyadh, Saudi Arabia: terrorists attack the offices of a Saudi oil company in Khobar, Saudi Arabia, take foreign oil workers hostage in a nearby residential compound, leaving 22 people dead including one American.
June 11–19, Riyadh, Saudi Arabia: terrorists kidnap and execute Paul Johnson Jr., an American, in Riyadh, Saudi Arabia. 2 other Americans and BBC cameraman killed by gun attacks.
Dec. 6, Jeddah, Saudi Arabia: terrorists storm the U.S. consulate, killing 5 consulate employees. 4 terrorists were killed by Saudi security.
2005
Nov. 9, Amman, Jordan: Suicide bombers hit 3 American hotels, Radisson, Grand Hyatt, and Days Inn, in Amman, Jordan, killing 57. Al-Qaeda claimed responsibility.
2006
Sept. 13, Damascus, Syria: an attack by four gunman on the American embassy was foiled.
2007
Jan. 12, Athens, Greece: the U.S. embassy was fired on by an anti-tank missile causing damage but no injuries.
I stand corrected!