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Russia (Russian: Росси́я, Rossiya), also[3] the Russian Federation (Росси́йская Федера́ция, Rossiyskaya Federatsiya; listen (help·info)), is a transcontinental country extending over much of northern Eurasia. It is a semi-presidential republic comprising 84 federal subjects. Russia shares land borders with the following countries (counter-clockwise from northwest to southeast): Norway, Finland, Estonia, Latvia, Lithuania (Kaliningrad Oblast), Poland (Kaliningrad Oblast), Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, China, Mongolia and North Korea. It is also close to the U.S. state of Alaska, Sweden and Japan across relatively small stretches of water (the Bering Strait, the Baltic Sea, and La Pérouse Strait, respectively).
At 17,075,400 square kilometres (6,592,800 sq mi), Russia is by far the largest country in the world, covering more than an eighth of the Earth’s land area; with 142 million people, it is the ninth largest by population. It extends across the whole of northern Asia and 40% of Europe, spanning 11 time zones and incorporating a great range of environments and landforms. Russia has the world's largest mineral and energy resources,[4] and is considered an energy superpower. It has the world's largest forest reserves and its lakes contain approximately one-quarter of the world's unfrozen fresh water.[5]
The nation's history began with that of the East Slavs. The Slavs emerged as a recognizable group in Europe between the 3rd and 8th centuries AD.[6] Founded and ruled by Vikings and their descendants, the first East Slavic state, Kievan Rus', arose in the 9th century and adopted Christianity from the Byzantine Empire in 988,[7] beginning the synthesis of Byzantine and Slavic cultures that defined Russian culture for the next millennium.[7] Kievan Rus' ultimately disintegrated and the lands were divided into many small feudal Russian states. The most powerful successor state to Kievan Rus' was Moscow, which gradually absorbed the surrounding principalities and came to dominate the cultural and political legacy of Kievan Rus'. By the 18th century, the nation had greatly expanded through conquest, annexation and exploration to become the huge Russian Empire, stretching from Poland eastward to the Pacific Ocean.
Russia established worldwide power and influence from the times of the Russian Empire to being the leading constituent of the Soviet Union, the world's first and largest Communist state, and can boast a long tradition of excellence in every aspect of the arts and sciences.[6] The Russian Federation was founded following the dissolution of the Soviet Union in 1991, but is recognized as the continuing legal personality of the Soviet Union.[8] Russia is a permanent member of the United Nations Security Council and a leading member of the Commonwealth of Independent States and the G8. It is one of the five recognized nuclear weapons states and possesses the world's largest stockpile of weapons of mass destruction