California wildfires: A pyrotechnic device at a gender reveal party ignited the El Dorado Fire (pictured), burning for 71 days and killing one firefighter.
The Palestinian militant group Black September took hostage eleven Israeli athletes and coaches at the Olympic Games in Munich, West Germany; all of the hostages were killed less than 24 hours later.
During the practice session of the Italian Grand Prix at Monza Circuit, Jochen Rindt was killed and subsequently became motor racing's only posthumous world champion.
Hurricane Cleo dissipated after causing 156 deaths, mainly in Haiti, and causing roughly US$187 million in damages across the Caribbean and southeastern United States.