The United States conducted its first and only nuclear artillery test at the Nevada Test Site.
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North Korea performed a controversial intercontinental ballistic missile test.
Nevada became the first US state with a female-majority legislature, with new appointments taking it to 51%.
The Soviet R-7 Semyorka, the world's first Intercontinental ballistic missile, became operational.
The first of 126 nuclear tests started at the Nevada Test Site.
Machine guns were fired from a US airplane for the first time.
