Euler is held to be one of the greatest mathematicians in history and the greatest of the 18th century. Several great mathematicians who produced their work after Euler's death have recognised his importance in the field as shown by quotes attributed to many of them: Pierre-Simon Laplace expressed Euler's influence on mathematics by stating, "Read Euler, read Euler, he is the master of us all." Carl Friedrich Gauss wrote: "The study of Euler's works will remain the best school for the different fields of mathematics, and nothing else can replace it." Euler is also widely considered to be the most prolific; his 866 publications as well as his correspondences are collected in the Opera Omnia Leonhard Euler which, when completed, will consist of 81 quarto volumes. He spent most of his adult life in Saint Petersburg, Russia, and in Berlin, then the capital of Prussia. (Full article...)
The terrain complicated battle tactics for both sides, but the Russians and the Austrians, having arrived in the area first, were able to overcome many of its difficulties by strengthening a causeway between two small ponds. They had also devised a solution to Frederick's deadly modus operandi, the oblique order. Although Frederick's troops initially gained the upper hand in the battle, the sheer number of Allied troops gave the Russians and Austrians an advantage. By afternoon, when the combatants were exhausted, fresh Austrian troops thrown into the fray secured the Allied victory. (Full article...)
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Marshal Mortier at the battle of Durenstein in 1805, Auguste Sandoz
The Battle of Dürenstein (German: Schlacht bei Dürnstein; also known as Dürrenstein, Dürnstein and Diernstein), on 11 November 1805, was an engagement in the Napoleonic Wars during the War of the Third Coalition. Dürenstein (modern Dürnstein), Austria, is located in the Wachau valley, on the river Danube, 73 kilometers (45 mi) upstream from Vienna, Austria. The river makes a crescent-shaped curve between Dürnstein and nearby Krems an der Donau, and the battle was fought in the flood plain between the river and the mountains.
At Dürenstein, a combined force of Russian and Austrian troops trapped a French division commanded by Théodore Maxime Gazan. The French division was part of the newly created VIII Corps, the so-called Corps Mortier, under command of Édouard Mortier. In pursuing the Austrian retreat from Bavaria, Mortier had over-extended his three divisions along the north bank of the Danube. Mikhail Kutuzov, commander of the Coalition force, enticed Mortier to send Gazan's division into a trap and French troops were caught in a valley between two Russian columns. They were rescued by the timely arrival of a second division, under command of Pierre Dupont de l'Étang. The battle extended well into the night, after which both sides claimed victory. The French lost more than a third of their participants, and Gazan's division experienced over 40 percent losses. The Austrians and Russians also had heavy losses—close to 16 percent—but perhaps the most significant was the death in action of Johann Heinrich von Schmitt, one of Austria's most capable chiefs of staff. (Full article...)
Pallas's leaf warbler is one of the smallest Palearcticwarblers, with a relatively large head and short tail. It has greenish upperparts and white underparts, a lemon-yellow rump, and yellow double wingbars, supercilia and central crown stripe. It is similar in appearance to several other Asian warblers, including some that were formerly considered to be its subspecies, although its distinctive vocalisations aid identification. (Full article...)
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German reconnaissance picture of Sovetsky Soyuz taken in June 1942
The Sovetsky Soyuz-class battleships (Project 23, Russian: Советский Союз, "Soviet Union"), also known as "Stalin's Republics", were a class of battleships begun by the Soviet Union in the late 1930s but never brought into service. They were designed in response to the Bismarck-class battleships being built by Germany. Only four hulls of the fifteen originally planned had been laid down by 1940, when the decision was made to cut the program to only three ships to divert resources to an expanded army rearmament program.
These ships would have rivaled the Imperial JapaneseYamato class and America's planned Montana class in size if any had been completed, although with significantly weaker firepower: nine 406-millimeter (16 in) guns compared to the nine 460-millimeter (18.1 in) guns of the Japanese ships and a dozen 16-inch (406 mm) on the Montanas. The failure of the Soviet armor plate industry to build cemented armor plates thicker than 230 millimeters (9.1 in) would have negated any advantages from the Sovetsky Soyuz class's thicker armor in combat. (Full article...)
Serving in the Baltic Sea during World War I, Slava was the largest ship of the Russian Gulf of Riga Squadron that fought the German High Seas Fleet in the Battle of the Gulf of Riga in August 1915. She repeatedly bombarded German positions and troops for the rest of 1915 and during 1916. During the Battle of Moon Sound in 1917, Slava was badly damaged by the German dreadnoughtSMS König, significantly increasing her draft. The shallow channel made it impossible to escape and she was scuttled in the Moon Sound Strait between the island of Muhu (Moon) and the mainland. The Estoniansscrapped her during the 1930s. (Full article...)
At the beginning of the Russo-Japanese War of 1904–1905, Petropavlovsk took part in the Battle of Port Arthur, where she was lightly damaged by Japanese shells and failed to score any hits in return. On 13 April 1904, the ship sank after striking one or more mines near Port Arthur, in northeast China. Casualties numbered 27 officers and 652 enlisted men, including Vice AdmiralStepan Makarov, the commander of the squadron, and the war artistVasily Vereshchagin. The arrival of the competent and aggressive Makarov after the Battle of Port Arthur had boosted Russian morale, which plummeted after his death. (Full article...)
The region that formed the TDFR had been part of the Russian Empire. As the empire dissolved during the 1917 February Revolution and a provisional government took over, a similar body, called the Special Transcaucasian Committee (Ozakom), did the same in the Caucasus. After the October Revolution and rise of the Bolsheviks in Russia, the Transcaucasian Commissariat replaced the Ozakom. In March 1918, as the First World War continued, the Commissariat initiated peace talks with the Ottoman Empire, which had invaded the region, but that broke down quickly as the Ottomans refused to accept the authority of the Commissariat. The Treaty of Brest-Litovsk, which ended Russia's involvement in the war, conceded parts of the Transcaucasus to the Ottoman Empire, which pursued its invasion to take control of the territory. Faced with this imminent threat, on 22 April 1918 the Commissariat dissolved itself and established the TDFR as an independent state. A legislature, the Seim, was formed to direct negotiations with the Ottoman Empire, which had immediately recognized the state. (Full article...)
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Nadezhda Sergeyevna Alliluyeva (Russian: Надежда Сергеевна Аллилуева; 22 September [O.S. 9 September] 1901 – 9 November 1932) was the second wife of Joseph Stalin. She was born in Baku to a friend of Stalin, a fellow revolutionary, and was raised in Saint Petersburg. Having known Stalin from a young age, she married him when she was 18, and they had two children. Alliluyeva worked as a secretary for Bolshevik leaders, including Vladimir Lenin and Stalin, before enrolling at the Industrial Academy in Moscow to study synthetic fibres and become an engineer. She had health issues, which had an adverse impact on her relationship with Stalin. She also suspected he was unfaithful, which led to frequent arguments with him. On several occasions, Alliluyeva reportedly contemplated leaving Stalin, and after an argument, she fatally shot herself early in the morning of 9 November 1932. (Full article...)
Antarctica is, on average, the coldest, driest, and windiest of the continents, and it has the highest average elevation. It is mainly a polar desert, with annual precipitation of over 200 mm (8 in) along the coast and far less inland. About 70% of the world's freshwater reserves are frozen in Antarctica, which, if melted, would raise global sea levels by almost 60 metres (200 ft). Antarctica holds the record for the lowest measured temperature on Earth, −89.2 °C (−128.6 °F). The coastal regions can reach temperatures over 10 °C (50 °F) in summer. Native species of animals include mites, nematodes, penguins, seals and tardigrades. Where vegetation occurs, it is mostly in the form of lichen or moss. (Full article...)
The construction of the cathedral was approved in 1894 by the Ministry of Internal Affairs under Russian Empire. Groundbreaking was in 1899; construction work began in 1901 and was completed ten years later. Three-aisled and built from red brick, the cathedral is based on a design by architect Tomasz Bohdanowicz-Dworzecki. The style was influenced by Westminster Abbey and Milan Cathedral. With the help of funds from Catholic parishes in Russia and its neighbouring states, the church was consecrated as a chapel for Moscow's Polish parish in 1911. In the aftermath of the Russian Revolution in 1917, the Provisional Government was overthrown by the Bolsheviks and Russia eventually became part of the Soviet Union in 1922. Because the promotion of state atheism was a part of Marxist–Leninist ideology, the government ordered many churches closed; the cathedral was closed in 1938. During World War II, it was threatened with demolition, and was used after the war for civil purposes, as a warehouse and then a hostel. Following the fall of communism in 1991, it returned to being a church in 1996. In 2002 it was elevated to the status of cathedral. Following an extensive and costly programme of reconstruction and refurbishment, the cathedral was reconsecrated in 2005. (Full article...)
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The Shuttle–Mir program was a collaborative 11-mission space program between Russia and the United States that involved American Space Shuttles visiting the Russian space stationMir, Russian cosmonauts flying on the Shuttle, and an American astronaut flying aboard a Soyuz spacecraft to engage in long-duration expeditions aboard Mir.
The project, sometimes called "Phase One", was intended to allow the United States to learn from Russian experience with long-duration spaceflight and to foster a spirit of cooperation between the two nations and their space agencies, the US National Aeronautics and Space Administration (NASA) and the Russian Federal Space Agency (Roscosmos). The project helped to prepare the way for further cooperative space ventures; specifically, "Phase Two" of the joint project, the construction of the International Space Station (ISS). The program was announced in 1993, the first mission started in 1994 and the project continued until its scheduled completion in 1998. Eleven Space Shuttle missions, a joint Soyuz flight and almost 1000 cumulative days in space for American astronauts occurred over the course of seven long-duration expeditions. In addition to Space Shuttle launches to Mir the United States also fully funded and equipped with scientific equipment the Spektr module (launched in 1995) and the Priroda module (launched in 1996), making them de facto U.S. modules during the duration of the Shuttle-Mir program. (Full article...)
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Tintin in the Land of the Soviets (French: Tintin au pays des Soviets) is the first volume of The Adventures of Tintin, the comics series by Belgian cartoonist Hergé. Commissioned by the conservative Belgian newspaper Le Vingtième Siècle as anti-communistsatire for its children's supplement Le Petit Vingtième, it was serialised weekly from January 1929 to May 1930 before being published in a collected volume by Éditions du Petit Vingtième in 1930. The story tells of young Belgian reporter Tintin and his dog Snowy, who are sent to the Soviet Union to report on the policies of Joseph Stalin's Bolshevik government. Tintin's intent to expose the regime's secrets prompts agents from the Soviet secret police, the OGPU, to hunt him down with the intent to kill.
Bolstered by publicity stunts, Land of the Soviets was a commercial success in Belgium, and also witnessed serialisation in France and Switzerland. Hergé continued The Adventures of Tintin with Tintin in the Congo, and the series became a defining part of the Franco-Belgian comics tradition. Damage to the original plates prevented republication of the book for several decades, while Hergé later expressed embarrassment at the crudeness of the work. As he began to redraw his earlier Adventures in second, colour versions from 1942 onward, he decided against doing so for Land of the Soviets; it was the only completed Tintin story that Hergé did not reproduce in colour. Growing demand among fans of the series resulted in the production of unauthorised copies of the book in the 1960s, with the first officially sanctioned republication appearing in 1969, after which it was translated into several other languages, including English. Critical reception of the work has been largely negative, and several commentators on The Adventures of Tintin have described Land of the Soviets as one of Hergé's weakest works. (Full article...)
The Great Coat of Arms of the Russian Empire, as presented to Emperor Paul I in October 1800. The use of the double-headed eagle in the coat of arms (seen in multiple locations here) goes back to the 15th century. With the fall of Constantinople and the end of the Byzantine Empire in 1453, the Grand Dukes of Moscow came to see themselves as the successors of the Byzantine heritage, a notion reinforced by the marriage of Ivan III to Sophia Paleologue. Ivan adopted the golden Byzantine double-headed eagle in his seal, first documented in 1472, marking his direct claim to the Roman imperial heritage and his assertion as sovereign equal and rival to the Holy Roman Empire.
Lenin, a Soviet nuclear-powered icebreaker, was both the world's first nuclear-powered surface ship and the first nuclear-powered civilian vessel. The ship entered operation in 1959 and worked to clear sea routes for cargo ships along Russia's northern coast. Nuclear power proved to be an ideal technology for a vessel working in such a remote area, as it obviated the need for regular replenishment of fuel. From 1960 to 1965, the ship covered over 85,000 mi (137,000 km) during the Arctic navigation season, of which three-quarters was through ice. After being decommissioned in 1989, the vessel was subsequently converted into a museum ship and is now permanently based at Murmansk.
Charles Minard's Carte figurative (1869), which details the losses of men, the position of the army, and the freezing temperatures on Napoleon's disastrous 1812 invasion of Russia. Created in an effort to show the horrors of war, the graph "defies the pen of the historian in its brutal eloquence" and has been called the best statistical graphic ever drawn.
A Boyar Wedding Feast is an oil-on-canvas painting created by Russian artist Konstantin Makovsky in 1883. The boyars were members of the highest rank of the feudal aristocracy of Russia in the 16th and 17th centuries, and a wedding was an important social event. In this painting, the guests are depicted toasting a newlywed couple. They stand at the head of the table, where the groom sees his bride without her veil for the first time; she appears timid and bashful as the men toast for the first kiss. Behind the couple, the Lady of Ceremony gently urges on the bride. A roasted swan is being brought in on a large platter, the last dish to be served before the couple retires to the bedroom. The work is in the collection of the Hillwood Estate, Museum & Gardens, in Washington, D.C.
An Alaskan parchment scrip banknote in the denomination of 1 ruble, printed on vellum or parchment by the Russian-American Company. On the obverse, the horizontal text immediately beneath the double-headed eagle reads "Seal of the Russian American Company". The oval text reads "under august protection of His Imperial Majesty", and under the oval is the value of the note "one ruble".
Alaskan parchment scrip was used as a form of company scrip in Alaska when it was a possession of the Russian Empire. In circulation from 1816 to 1867, such scrip could be printed on vellum, parchment, or pinniped skin. Denominations of 10, 25, 50 kopecks and 1, 5, 10, and 25 rubles were issued.
The current main building of the Moscow State University in Sparrow Hills, Moscow, Russia. Designed by Lev Rudnev and completed by 1953, the 240-metre (790 ft) tall structure was the tallest building in Europe until the completion of the Messeturm in 1990.
Maxim Gorky (1868–1936) was a Russian political activist and writer who helped establish the Socialist Realism literary method. This portrait dates from a trip Gorky made to the United States in 1906, on which he raised funds for the Bolsheviks. During this trip he wrote his novel The Mother.
The Portrait of Chaliapin is an oil-on-canvas painting by Boris Kustodiev, produced in 1921. Feodor Chaliapin was a Russian opera singer; possessing a deep and expressive bass voice, he enjoyed an important international career at major opera houses. He is depicted here wearing an expensive fur coat, which had come from a Soviet warehouse containing items confiscated from rich people during the Russian Revolution, and which he had received in lieu of payment for a performance. The background shows festivities at the traditional folk holiday of Maslenitsa. Dressed in a smart suit and holding a cane, Chaliapin is portrayed as having risen above his contemporaries. His favourite dog is at his feet and, at the bottom left, his two daughters stroll on the festive square in front of a poster promoting his concert. This copy of the painting is in the collection of the Russian Museum in Saint Petersburg.
Although James Clerk Maxwell made the first color photograph in 1861, the results were far from realistic until Prokudin-Gorsky perfected the technique with a series of improvements around 1905. His process used a camera that took a series of monochrome pictures in rapid sequence, each through a different colored filter. Prokudin-Gorskii then went on to document much of the country of Russia, travelling by train in a specially equipped darkroomrailroad car.
This photo of the Nilov Monastery on Stolobny Island in Tver Oblast, Russia, was taken by Sergey Prokudin-Gorsky in 1910 before the advent of colour photography. His process used a camera that took a series of monochrome pictures in rapid sequence, each through a different coloured filter. By projecting all three monochrome pictures using correctly coloured light, it was possible to reconstruct the original colour scene.
The Sukhoi Superjet 100 is a modern fly-by-wiretwin-engineregional jet with 8 to 108 passenger seats. Development began in 2000; the aircraft had its maiden flight on 19 May 2008 and entered commercial service on 21 April 2011. This aircraft is seen flying off the coast of Italy near Sanremo.
Leo Tolstoy (1828–1910) was a Russian writer who is regarded as one of the world's greatest novelists. He is best known for War and Peace (1869) and Anna Karenina (1877), often cited as pinnacles of realist fiction. Born to an aristocratic family on 9 September [O.S. 28 August] 1828, Tolstoy was orphaned when he was young. He studied at Kazan University, but this was not a success, and he left university without completing his degree. During this time, he began to write and published his first novel, Childhood, in 1852. Tolstoy later served at the Siege of Sevastopol during the Crimean War, and was appalled by the number of deaths and left at the conclusion of the war. He spent the remainder of his life writing whilst also marrying and starting a family. In the 1870s he converted to a form of fervent Christian anarchism.
Russian wine refers to wine made in Russia, at times also including the disputed region of Crimea. The vast majority of Russia's territory is unsuitable for grape growing, with most of the production concentrated in parts of Krasnodar and Rostov regions, as well as Crimea.
The Russian market is characterized by the presence of many low-cost products, with a significant part of local wines having a retail price of less than 100 rubles ($1.71). Attempts to shift away from the low-quality reputation of Soviet wines has been moderately successful, though 80% of wines sold in Russia in 2013 were made from grape concentrates. (Full article...)
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