On this day in 1969, violence erupted after the Apprentice Boys of Derry march in Derry, Northern Ireland, resulting in a three-day communal riot known as the Battle of the Bogside.
On this day in 1976, between 1,000 and 3,500 Palestinians were killed in the Tel al-Zaatar massacre, one of the bloodiest events of the Lebanese Civil War.
On this day in 1992 – Canada, Mexico and the United States announce completion of negotiations for the North American Free Trade Agreement (NAFTA).
On this day in 2000 – The Russian Navy's Oscar-class submarine K-141 Kursk exploded and sank in the Barents Sea during a military exercise.