The largest US underground bomb was detonated on Amchitka Island, a remote Alaskan island.
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Oil tanker 'Exxon Valdez' runs aground in Prince William Sound, Alaska.
President Dwight D. Eisenhower signs the Alaska Statehood Act into law.
US President Franklin D. Roosevelt received a letter from Albert Einstein detailing the possibility of atomic weapons.
Citizens of Bikini Island evacuated for nuclear testing.
The Soviet R-7 Semyorka, the world's first Intercontinental ballistic missile, became operational.
