A COVID-19 quarantine hotel collapsed in China, leaving 70 people trapped.
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Dr. John Kellogg served the world's first cornflakes.
US Air Force divers located the Challenger Space Shuttle's crew cabin at the bottom of the ocean.
Napoleon I of France won the Battle of Craonne, stopping Russian and Prussian forces in Northern France.
Citizens of Bikini Island evacuated for nuclear testing.
The Hubble Space Telescope captured the first images of the surface of Pluto.
