1096 – First Crusade: Around 800 Jews are massacred in Worms, Germany.
1302 – Bruges Matins, the nocturnal massacre of the French garrison in Bruges by members of the local Flemish militia.
1695 – The 1695 Linfen earthquake in Shannxi, Ming dynasty causes extreme damage and kills at least 52,000 people.
1896 – Khodynka Tragedy: A mass panic on Khodynka Field in Moscow during the festivities of the coronation of Russian Tsar Nicholas II results in the deaths of 1,389 people.
1927 – The Bath School disaster:: Forty-five people, including many children, are killed by bombs planted by a disgruntled school-board member in Bath Township, Michigan.
1973 – Aeroflot Flight 109 is hijacked mid-flight and the aircraft is subsequently destroyed when the hijacker's bomb explodes, killing all 82 people on board.
1974 – Nuclear weapons testing: Under project Smiling Buddha, India successfully detonates its first nuclear weapon becoming the sixth nation to do so.
1980 – Mount St. Helens erupts in Washington, United States, killing 57 people and causing $3 billion in damage.
2015 – At least 78 people die in a landslide caused by heavy rains in the Colombian town of Salgar.
2018 – A school shooting at Santa Fe High School in Texas kills ten people.
2022 – Invasion of Ukraine: The war in the Ukraine is ongoing.