The United States conducted its first and only nuclear artillery test at the Nevada Test Site.
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Nevada became the first US state with a female-majority legislature, with new appointments taking it to 51%.
MGM Grand Hotel and Casino, situated on Las Vegas Strip, caught fire, killing 85 people.
The US SM-65 Atlas missile completed the first successful intercontinental ballistic missile launch.
The largest US underground bomb was detonated on Amchitka Island, a remote Alaskan island.
Albert Einstein warned against hydrogen bombs on the ''Today with Mrs. Roosevelt" weekly TV show.
