By the end of 1990, the Soviet Union had the world's second largest economy, largest standing military in the world and the largest stockpile of weapons of mass destruction.
Following the dissolution of the Soviet Union in 1991, twelve independent republics emerged from the USSR: Russia, Ukraine, Belarus, Kazakhstan, Uzbekistan, Armenia, Azerbaijan, Georgia, Kyrgyzstan, Moldova, Tajikistan, Turkmenistan and the Baltic states regained independence: Estonia, Latvia, Lithuania; the Russian SFSR reconstituted itself as the Russian Federation and is recognized as the continuing legal personality and sole successor state of the Soviet Union.
In the 10th to 11th centuries Kievan Rus' became one of the largest and most prosperous states in Europe.
The reigns of Vladimir the Great (980–1015) and his son Yaroslav the Wise (1019–1054) constitute the Golden Age of Kiev, which saw the acceptance of Orthodox Christianity from Byzantium and the creation of the first East Slavic written legal code, the Russkaya Pravda.
In the 3rd to 4th centuries AD a semi-legendary Gothic kingdom of Oium existed in Southern Russia until it was overrun by Huns.
It is a permanent member of the United Nations Security Council, as well as a member of the G20, the Council of Europe, the Asia-Pacific Economic Cooperation (APEC), the Shanghai Cooperation Organisation (SCO), the Organization for Security and Co-operation in Europe (OSCE), and the World Trade Organization (WTO), as well as being the leading member of the Commonwealth of Independent States (CIS), the Collective Security Treaty Organization (CSTO) and one of the five members of the Eurasian Economic Union (EEU), along with Armenia, Belarus, Kazakhstan and Kyrgyzstan.which had been previously paying tribute to the Khazars, founding Kievan Rus'.Oleg, Rurik's son Igor and Igor's son Sviatoslav subsequently subdued all local East Slavic tribes to Kievan rule, destroyed the Khazar khaganate and launched several military expeditions to Byzantium and Persia. Selector .selector_input_interaction .selector_input. Selector .selector_input_interaction .selector_spinner. The European western part of the country is much more populated and urbanised than the eastern; about 77% of the population live in European Russia.