Germany banned the denial of Nazi genocide against Jewish people during the Holocaust.
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The Chongzhen Emperor died by suicide during a peasant rebellion.
Francis Crick & James Watson's discovery of the double-helix structure of DNA was formally announced.
The Discovery Space Shuttle deployed the Hubble Space Telescope into low-Earth orbit.
The Thornton Affair, a skirmish between American and Mexican soldiers in Texas, started a chain of events that led to the Mexican-American War.
Kathmandu, Nepal, was devastated by a major earthquake.
