President Lincoln signed an Act that made slavery illegal in US territories.
Slavery also became illegal in the States on January 1, 1863.
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The TIROS-7 meteorological satellite was launched atop a Thor-Delta rocket.
Louis IV was crowned king of West Francia.
The ten millionth patent, a specialized laser radar, was issued by the US Patent and Trademark Office.
The USS Kearsarge sank the CSS Alabama off the coast of Cherbourg, France.
Benito Mussolini was arrested in Switzerland for a violent strike. He spent two weeks in jail and was deported to Italy.
