Pafnuty ChebyshevPafnuty Lvovich Chebyshev (Пафну́тий Льво́вич Чебышёв) ( – ) was a Russian mathematician and considered to be the founding father of Russian mathematics. Chebyshev is known for his fundamental contributions to the fields of probability, statistics, mechanics, and number theory. A number of important mathematical concepts are named after him, including the Chebyshev inequality (which can be used to prove the weak law of large numbers), the Bertrand–Chebyshev theorem, Chebyshev polynomials, Chebyshev linkage, and Chebyshev bias.
Catherine the GreatCatherine II (born Sophie of Anhalt-Zerbst; 2 May 1729 - 17 November 1796), most commonly known as Catherine the Great, was the reigning empress of Russia from 1762 to 1796. She came to power after overthrowing her husband, Peter III. Under her long reign, inspired by the ideas of the Enlightenment, Russia experienced a renaissance of culture and sciences, which led to the founding of many new cities, universities, and theatres, along with large-scale immigration from the rest of Europe and the recognition of Russia as one of the great powers of Europe.
MoscowMoscow (ˈmɒskoʊ , US chiefly ˈmɒskaʊ ; Москва) is the capital and largest city of Russia. The city stands on the Moskva River in Central Russia, with a population estimated at 13.0 million residents within the city limits, over 18.8 million residents in the urban area, and over 21.5 million residents in the metropolitan area. The city covers an area of , while the urban area covers , and the metropolitan area covers over .
Dual powerSAFESUBST:#invoke:Unsubst||date=DATE |$B= "Dual power" (Двоевластие) is the coexistence of two governments as a result of the February Revolution: the Soviets (workers' councils), particularly the Petrograd Soviet, and the Russian Provisional Government. The term was first used by the communist Bolshevik leader Vladimir Lenin (1870–1924) in the Pravda article titled "The Dual Power".
ToponymyToponymy, toponymics, or toponomastics is the study of toponyms (proper names of places, also known as place names and geographic names), including their origins, meanings, usage and types. Toponym is the general term for a proper name of any geographical feature, and full scope of the term also includes proper names of all cosmographical features. In a more specific sense, the term toponymy refers to an inventory of toponyms, while the discipline researching such names is referred to as toponymics or toponomastics.
Metro stationA metro station or subway station is a train station for a rapid transit system, which as a whole is usually called a "metro" or "subway". A station provides a means for passengers to purchase tickets, board trains, and evacuate the system in the case of an emergency. In the United Kingdom, they are known as underground stations, most commonly used in reference to the London Underground. The location of a metro station is carefully planned to provide easy access to important urban facilities such as roads, commercial centres, major buildings and other transport nodes.
UlaanbaatarUlaanbaatar (ˌuːlɑːn_ˈbɑːtər; Улаанбаатар, ʊˌɮaːm‿ˈpaːhtə̆r, "Red Hero"), previously anglicized as Ulan Bator, is the capital and most populous city of Mongolia. It is the coldest capital city in the world, on average. The municipality is located in north central Mongolia at an elevation of about in a valley on the Tuul River. The city was founded in 1639 as a nomadic Buddhist monastic centre, changing location 28 times, and was permanently settled at its modern location in 1778.
Nicholas I of RussiaNicholas I ( – ) was Emperor of Russia, King of Congress Poland and Grand Duke of Finland. He was the third son of Paul I and younger brother of his predecessor, Alexander I. Nicholas's reign began with the failed Decembrist revolt. He is mainly remembered in history as a reactionary whose controversial reign was marked by geographical expansion, centralisation of administrative policies and repression of dissent. Nicholas had a happy marriage that produced a large family; all of their seven children survived childhood.
Symbolism (arts)Symbolism was a late 19th-century art movement of French and Belgian origin in poetry and other arts seeking to represent absolute truths symbolically through language and metaphorical images, mainly as a reaction against naturalism and realism. In literature, the style originates with the 1857 publication of Charles Baudelaire's Les Fleurs du mal. The works of Edgar Allan Poe, which Baudelaire admired greatly and translated into French, were a significant influence and the source of many stock tropes and images.
Russian nobilityThe Russian nobility (дворя́нство) arose in the Middle Ages. In 1914 it consisted of approximately 1,900,000 members (about 1.1% of the population) in the Russian Empire. Up until the February Revolution of 1917, the noble estates staffed most of the Russian government and possessed a Gentry assembly. The Russian word for nobility, dvorianstvo (), derives from Slavonic dvor (двор), meaning the court of a prince or duke (kniaz), and later, of the tsar or emperor. Here, dvor originally referred to servants at the estate of an aristocrat.