The Soviet Union was an ethnically diverse country, with more than 100 distinct ethnic groups. The total population of the country was estimated at 293 million in 1991. According to a 1990 estimate, the majority of the population were Russians (50.78%), followed by Ukrainians (15.45%) and Uzbeks (5.84%). [224]

The history of Soviet Russia and the Soviet Union reflects a period of change for both Russia and the world. Though the terms "Soviet Russia" and "Soviet Union" often are synonymous in everyday speech, when referring to the foundations of the Soviet Union, "Soviet Russia" often specifically refers to brief period between the October Revolution of 1917 and the creation of …

The Soviet Union (short for the Union of Soviet Socialist Republics or USSR) [11] was a single-party Marxist–Leninist state. It existed for 68 years, from 1922 until 1991, a few days before its 69th anniversary. It was the first country to declare itself socialist and build towards a communist society.

The Soviet Union, formally the Union o Soviet Socialist Republics (USSR) ( Roushie: Союз Советских Социалистических Республик, СССР; Soyuz Sovetskikh Sotsialisticheskikh Respublik) wis a Marxist-Leninist kintra [3] [4] [5] [6] in Eurasie. It wis shapit in 1922, efter the Roushie Revolution o 1917; its first leader wis Vladimir Lenin.

The Soviet Union incorporated an area of over 22,402,200 square kilometres (8,649,500 sq mi), covering approximately one-sixth of Earth's land surface. It was only slightly smaller in land area than the entire continent of North America and spanned most of Eurasia.Its largest and most populous republic was the Russian SFSR which covered roughly three-quarters of the surface …

The Republics of the Union of Soviet Socialist Republics or the Union Republics were national-based administrative units of the Union of Soviet Socialist Republics. The Soviet Union was formed in 1922 by a treaty between the Soviet republics of Byelorussia, Russia, Transcaucasia, and Ukraine, by which they became its constituent republics. For most of its history, the USSR …

The history of the Soviet Union from 1982 through 1991 spans the period from Leonid Brezhnev's death until the dissolution of the Soviet Union. Due to the years of Soviet military buildup at the expense of domestic development, and complex systemic problems in the command economy, Soviet output stagnated. Failed attempts at reform, a standstill economy, ...

t. e. The dissolution of the Soviet Union [a] was the process of internal disintegration within the Soviet Union (USSR) which resulted in the end of the country's and its federal government's existence as a sovereign state, thereby resulting in its constituent republics gaining full sovereignty on 26 December 1991.

The Soviet Union became one of the leading industrial nations of the world. Industrial production was disproportionately high in the Soviet Union compared to Western economies. By the 60s calorie consumption per person in the Soviet Union was at levels similar to the United States. However, the production of consumer goods was disproportionately low.

Soviet Union–United States relations were fully established in 1933 as the succeeding bilateral ties to those between the Russian Empire and the United States, which lasted from 1776 until 1917; they were also the predecessor to the current bilateral ties between the Russian Federation and the United States that began in 1992.