Source: wikibot/nuclear-bombs-of-the-soviet-union
= Nuclear bombs of the Soviet Union
{wiki=Category:Nuclear_bombs_of_the_Soviet_Union}
The Soviet Union developed a substantial nuclear arsenal during the Cold War, beginning with its first successful nuclear test on August 29, 1949, known as "First Lightning" or "Joe 1." This marked the Soviet entry into the nuclear arms race, which had previously been dominated by the United States.