events

The Soviet Union launches RDS-37, a 1.6 megaton two stage hydrogen bomb designed by Andrei Sakharov. The bomb was dropped over Semipalatinsk.

Historical image related to The Soviet Union launches RDS-37, a 1.6 megaton two stage hydrogen bomb designed by Andrei Sakharov. The bomb was dropped over Semipalatinsk. from November 22, 1955

Soviet Union

Country in Eurasia (1922–1991)

The Union of Soviet Socialist Republics (USSR), commonly known as the Soviet Union, was a transcontinental country that spanned much of Eurasia from 1922 until it dissolved in 1991. During its existence, it was the largest country by area, extending across eleven time zones and…
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RDS-37

Soviet hydrogen bomb first tested in 1955

RDS-37 was the Soviet Union's first two-stage hydrogen bomb, first tested on 22 November 1955. The weapon had a nominal yield of approximately 3 megatons. It was scaled down to 1.6 megatons for the live test.
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Thermonuclear weapon

2-stage nuclear weapon

A thermonuclear weapon, fusion weapon or hydrogen bomb (H-bomb) is a second-generation nuclear weapon, utilizing nuclear fusion. The most destructive weapons ever created, their yields typically exceed first-generation nuclear weapons by twenty times, with far lower mass and…
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Andrei Sakharov

Soviet nuclear physicist and human rights activist (1921–1989)

Andrei Dmitrievich Sakharov was a Soviet physicist and a Nobel Peace Prize laureate, which he was awarded in 1975 for emphasizing human rights around the world.
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Semipalatinsk Test Site

Nuclear testing venue for the Soviet Union in northeast Kazakhstan

The Semipalatinsk Test Site or Semipalatinsk-21, also known as "The Polygon", was the primary testing venue for the Soviet Union's nuclear weapons. It is located in Zhanasemey District, Abai Region, Kazakhstan, south of the valley of the Irtysh River. The test site was part of…
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November 22

Day of the year

November 22 is the 326th day of the year in the Gregorian calendar; 39 days remain until the end of the year.
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