April 10
2010
2010 Polish Air Force Tu-154 Crash (Smolensk Air Disaster)
On April 10, 2010, a Polish Air Force Tupolev Tu-154M carrying President Lech Kaczyński and 95 others crashed in dense fog near Smolensk, Russia, killing all aboard. The passengers were en route to a 70th-anniversary commemoration of the Katyn massacre. The disaster plunged Poland into mourning, upended its leadership, and led to prolonged investigations, reforms, and controversy that continue to reverberate in Polish-Russian relations. Read more
1963
The Sinking of USS Thresher (SSN-593)
On April 10, 1963, the U.S. Navy nuclear submarine USS Thresher was lost with all hands during deep-diving tests off Cape Cod, triggering the deadliest submarine disaster in American history and transforming naval safety protocols for generations. Read more
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Explore more events in April
Apr 6
The Lillelid Murders
In April 1997, a young family was brutally attacked and three members killed during a carjacking and abduction by six Kentucky youths in rural Tennessee. The surviving toddler was left forever changed. The case shocked the nation for its senseless brutality and the youth of the perpetrators.
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Apr 18
The Doolittle Raid
The Doolittle Raid was a daring air operation by the United States in April 1942, which demonstrated the vulnerability of Japanese home islands following the attack on Pearl Harbor. It significantly influenced morale and strategy during World War II.
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Apr 23
The 2018 Toronto Van Attack
The 2018 Toronto Van Attack left a permanent scar on Canada, ending with 10 deaths and sparking debates on mental health and online radicalization.
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