[Apocalyptic Calendar] January-March / July-September / October-December
1506 – The Lisbon Massacre begins, in which accused Jews are slaughtered by Portuguese Catholics.
1608 – In Ireland: O'Doherty's Rebellion is launched by the Burning of Derry.
1903 – The Kishinev pogrom in Kishinev (Bessarabia) begins, forcing tens of thousands of Jews to later seek refuge in Palestine and the Western world.
1943 – World War II: In German-occupied Poland, the Warsaw Ghetto Uprising begins, after German troops enter the Warsaw Ghetto to round up the remaining Jews.
1989 – A gun turret explodes on the USS Iowa, killing 47 sailors.
1993 – The 51-day FBI siege of the Branch Davidian building in Waco, Texas, USA, ends when a fire breaks out. Seventy-six Davidians, including eighteen children under the age of ten, died in the fire.
1995 – Oklahoma City bombing: The Alfred P. Murrah Federal Building in Oklahoma City, USA, is bombed, killing 168 people including 19 children under the age of six.
2000 – Air Philippines Flight 541 crashes in Samal, Davao del Norte, killing all 131 people on board.
2020 – A killing spree in Nova Scotia, Canada, leaves 22 people and the perpetrator dead, making it the deadliest rampage in the country's history.
2022 – Invasion of Ukraine: The war in the Ukraine is ongoing for 1158 days
2023 – The war between Israel and Hamas in the Gaza is ongoing for 557 days.
2023 – At least 90 people are killed and 322 others are injured in a crowd crush in Sanaa, Yemen.