Ten years ago
In the Iraqi city of Fallujah, U.S. forces mistakenly opened fire on vehicles carrying police, killing eight of them. The U.N. Security Council ended 11 years of sanctions against Libya. Typhoon Maemi (may-mee) slammed into South Korea, killing at least 117 people. Music legend Johnny Cash died in Nashville, Tenn., at age 71.
Five years ago
A Metrolink commuter train struck a freight train head-on in Los Angeles, killing 25 people. (Federal investigators said the Metrolink engineer, Robert Sanchez, who was among those who died, had been text-messaging on his cell phone and ran a red light shortly before the crash.) Hurricane Ike began battering the Texas coast. Grand Ole Opry star Charlie Walker died in Hendersonville, Tenn. at age 81.
One year ago
The U.S. dispatched an elite group of Marines to Tripoli. Libya, after the mob attack that killed the U.S. ambassador and three other Americans. President Barack Obama strongly condemned the violence, and vowed to bring the killers to justice; Republican challenger Mitt Romney accused the administration of showing weakness in the face of tumultuous events in the Middle East.