Video: 'US: Hydrogen Bomb Over Bikini Atoll - 1956 | Today in History | 21 May 16'

(Monday, May 21, 1956, 5:50:38.7 a.m. Marshall Islands Time/Sunday, May 20, 1956, 1:50:38.7 p.m. EDT; during the Cold War) — The United States today exploded the first airborne hydrogen bomb over Bikini Atoll in the Pacific.

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