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.
Bell Labs demonstrated the first practical silicon solar cell in New Jersey, US.
Kathmandu, Nepal, was devastated by a major earthquake.
President Harry Truman opened the two-lane White House bowling alley.
Francis Crick & James Watson's discovery of the double-helix structure of DNA was formally announced.
