2009: Two subway trains collide inWashington, D.C., killing nine people and injuring more than 80 others. It’s the deadliest crash in the history of the Washington Metro system. An investigation finds that a problem with the signaling system means there was no indication there was a train stopped on the tracks when the other train approached and slammed into it.
1989: After nearly 15 years of civil war, opposing factions in the African country of Angola agree to a cease-fire to end a conflict that claimed hundreds of thousands of lives.
1962: An Air France Boeing 707 crashes on the island of Guadeloupe, killing all 113 passengers and crew members aboard. The flight occurred before the advent of the black box flight recorder and no reason for the crash was ever found.