1900 – A savage fire wrecked three steamships docked at a pier in Hoboken, New Jersey. Over 200 crew members and passengers are killed, and hundreds injured.
1912 – The Regina Cyclone, Canada's deadliest tornado event, kills 28 people in Regina, Saskatchewan.
1956 – A TWA Super Constellation and a United Airlines DC-7 collide above the Grand Canyon in Arizona and crash, killing all 128 on board both airliners.
1959 – A United States Air Force F-100 Super Sabre from Kadena Air Base, Okinawa, crashes into a nearby elementary school, killing 11 students plus six residents from the local neighborhood.
1963 – Ciaculli bombing: a car bomb, intended for Mafia boss Salvatore Greco, kills seven police officers and military personnel near Palermo.
1971 – The crew of the Soviet Soyuz 11 spacecraft are killed when their air supply escapes through a faulty valve.
1994 – During a test flight of an Airbus A330-300 at Toulouse–Blagnac Airport, the aircraft crashes killing all seven people on board.
2009 – Yemenia Flight 626, an Airbus A310-300, crashes into the Indian Ocean near Comoros, killing 152 of the 153 people on board. A 14-year-old girl named Bahia Bakari survives the crash.
2013 – Nineteen firefighters die controlling a wildfire near Yarnell, Arizona.
2015 – A Hercules C-130 military aircraft with 113 people on board crashes in a residential area in Medan, Indonesia, resulting in at least 116 deaths.
2022 – Invasion of Ukraine: The war in the Ukraine is ongoing for 492 days.