The ten millionth patent, a specialized laser radar, was issued by the US Patent and Trademark Office.
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Drug lord Pablo Escobar handed himself into the police.
President Lincoln signed an Act that made slavery illegal in US territories.
The US Supreme Court struck down a Louisiana law that required schools to teach creationism.
The USS Kearsarge sank the CSS Alabama off the coast of Cherbourg, France.
Batman Returns was released in the US.
