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A natural diamond crystal
Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Diamond as a form of carbon is tasteless, odourless, strong, brittle solid, colourless in pure form, a poor conductor of electricity, and insoluble in water. Another solid form of carbon known as graphite is the chemically stable form of carbon at room temperature and pressure, but diamond is metastable and converts to it at a negligible rate under those conditions. Diamond has the highest hardness and thermal conductivity of any natural material, properties that are used in major industrial applications such as cutting and polishing tools. They are also the reason that diamond anvil cells can subject materials to pressures found deep in the Earth.
Because the arrangement of atoms in diamond is extremely rigid, few types of impurity can contaminate it (two exceptions are boron and nitrogen). Small numbers of defects or impurities (about one per million of lattice atoms) can color a diamond blue (boron), yellow (nitrogen), brown (defects), green (radiation exposure), purple, pink, orange, or red. Diamond also has a very high refractive index and a relatively high optical dispersion. (Full article...)
Nihonium was first reported to have been created in experiments carried out between 14 July and 10 August 2003, by a Russian–American collaboration at the Joint Institute for Nuclear Research (JINR) in Dubna, Russia, working in collaboration with the Lawrence Livermore National Laboratory in Livermore, California, and on 23 July 2004, by a team of Japanese scientists at Riken in Wakō, Japan. The confirmation of their claims in the ensuing years involved independent teams of scientists working in the United States, Germany, Sweden, and China, as well as the original claimants in Russia and Japan. In 2015, the IUPAC/IUPAP Joint Working Party recognised the element and assigned the priority of the discovery and naming rights for the element to Riken. The Riken team suggested the name nihonium in 2016, which was approved in the same year. The name comes from the common Japanese name for Japan (日本, nihon). (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 17, 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...)
The Gurian Republic was an insurgent community that existed between 1902 and 1906 in the western Georgian region of Guria (known at the time as the Ozurget Uyezd) in the Russian Empire. It rose from a revolt over land grazing rights in 1902. Several issues over the previous decades affecting the peasant population including taxation, land ownership and economic factors also factored into the start of the insurrection. The revolt gained further traction through the efforts of Georgian social democrats, despite some reservations within their party over supporting a peasant movement, and grew further during the 1905 Russian Revolution.
During its existence, the Gurian Republic ignored Russian authority and established its own system of government, which consisted of assemblies of villagers meeting and discussing issues. A unique form of justice, where trial attendees voted on sentences, was introduced. While the movement broke from imperial administration, it was not anti-Russian, desiring to remain within the Empire. (Full article...)
The 1907 Tiflis bank robbery, also known as the Erivansky Square expropriation, was an armed robbery on 26 June 1907[a] in the city of Tiflis (present-day Tbilisi, the capital of Georgia) in the Tiflis Governorate in the Caucasus Viceroyalty of the Russian Empire. A Bolshevik group "expropriated" a bank cash shipment to fund their revolutionary activities. The robbers attacked a bank stagecoach, and the surrounding police and soldiers, using bombs and guns while the stagecoach was transporting money through Erivansky Square (present-day Freedom Square) between the post office and the Tiflis branch of the State Bank of the Russian Empire. The attack killed forty people and injured fifty others, according to official archive documents. The robbers escaped with 241,000 rubles.
The robbery was organized by a number of top-level Bolsheviks, including Vladimir Lenin, Joseph Stalin, Maxim Litvinov, Leonid Krasin, and Alexander Bogdanov; and executed by a party of revolutionaries led by Stalin's early associate Simon Ter-Petrosian, also known as "Kamo" and "The Caucasian Robin-Hood". Because such activities had been explicitly prohibited by the 5th Congress of the Russian Social Democratic Labour Party (RSDLP) only weeks previously, the robbery and the killings caused outrage within the party against the Bolsheviks (a faction within the RSDLP). As a result, Lenin and Stalin tried to distance themselves from the robbery. (Full article...)
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Oganesson is a synthetic chemical element; it has symbolOg and atomic number 118. It was first synthesized in 2002 at the Joint Institute for Nuclear Research (JINR) in Dubna, near Moscow, Russia, by a joint team of Russian and American scientists. In December 2015, it was recognized as one of four new elements by the Joint Working Party of the international scientific bodies IUPAC and IUPAP. It was formally named on 28 November 2016. The name honors the nuclear physicist Yuri Oganessian, who played a leading role in the discovery of the heaviest elements in the periodic table. It is one of only two elements named after a person who was alive at the time of naming, the other being seaborgium, and the only element whose eponym is alive as of 2024[update].
Oganesson has the highest atomic number and highest atomic mass of all known elements as of 2024[update]. On the periodic table of the elements it is a p-block element, a member of group 18 and the last member of period 7. Its only known isotope, oganesson-294, is highly radioactive, with a half-life of 0.7 ms and, as of 2020,[update] only five atoms have been successfully produced. This has so far prevented any experimental studies of its chemistry. Because of relativistic effects, theoretical studies predict that it would be a solid at room temperature, and significantly reactive, unlike the other members of group 18 (the noble gases). (Full article...)
Due to the length of the front lines created by the German 1942 summer offensive, which had aimed at taking the Caucasus oil fields and the city of Stalingrad, German and other Axis forces were over-extended. The German decision to transfer several mechanized divisions from the Soviet Union to Western Europe exacerbated their situation. Furthermore, Axis units in the area were depleted by months of fighting, especially those which had taken part in the struggle for Stalingrad. The Germans could only count on the XXXXVIII Panzer Corps, which had the strength of a single panzer division, and the 29th Panzergrenadier Division as reserves to bolster their Romanian allies guarding the German Sixth Army's flanks. These Romanian armies lacked the heavy equipment to deal with Soviet armor. In contrast, the Red Army deployed over one million personnel for the offensive. Soviet troop movements were not without problems: concealing their build-up proved difficult, and Soviet units commonly arrived late due to logistical issues. Operation Uranus was first postponed by the Soviet high command (Stavka) from 8 to 17 November, then to 19 November. (Full article...)
The Caspian expeditions of the Rus' were military raids undertaken by the Rus' between the late 9th century and c. 1041 on the Caspian Sea shores, of what are nowadays Iran, Dagestan, and Azerbaijan. Initially, the Rus' appeared in Serkland in the 9th century travelling as merchants along the Volga trade route, selling furs, honey, and slaves. The first small-scale Viking raids took place in the late 9th and early 10th century. The Rus' undertook the first large-scale expedition in 913; having arrived on 500 ships, they pillaged in the Gorgan region, in the territory of present-day Iran, and more to the west, in Gilan and Mazandaran, taking slaves and goods. On their return, the northern raiders were attacked and defeated by the Khazars in the Volga Delta, and those who escaped were killed by the local tribes in the middle Volga.
During their next expedition in 943, the Rus' captured Bardha'a, the capital of Arran, in the modern-day Republic of Azerbaijan. The Rus' stayed there for several months, killing many inhabitants of the city and amassing substantial plunder. It was only an outbreak of dysentery among the Rus' that forced them to depart with their spoils. Sviatoslav, prince of Kiev, commanded the next attack, which destroyed the Khazar state in 965. Sviatoslav's campaign established the Rus's hold on the north-south trade routes, helping to alter the demographics of the region. Raids continued through the time period with the last Scandinavian attempt to reestablish the route to the Caspian Sea taking place in c. 1041 by Ingvar the Far-Travelled. (Full article...)
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Manuscript miniature, part of double portrait with Empress Maria, Vatican Library
Manuel I Komnenos (Greek: Μανουήλ Κομνηνός, romanized: Manouḗl Komnēnós; 28 November 1118 – 24 September 1180), Latinized as Comnenus, also called Porphyrogenitus (Greek: Πορφυρογέννητος; "born in the purple"), was a Byzantine emperor of the 12th century who reigned over a crucial turning point in the history of Byzantium and the Mediterranean. His reign saw the last flowering of the Komnenian restoration, during which the Byzantine Empire experienced a resurgence of military and economic power and enjoyed a cultural revival.
Eager to restore his empire to its past glories as the great power of the Mediterranean world, Manuel pursued an energetic and ambitious foreign policy. In the process he made alliances with Pope Adrian IV and the resurgent West. He invaded the Norman Kingdom of Sicily, although unsuccessfully, being the last Eastern Roman emperor to attempt reconquests in the western Mediterranean. The passage of the potentially dangerous Second Crusade through his empire was adroitly managed. Manuel established a Byzantine protectorate over the Crusader states of Outremer. Facing Muslim advances in the Holy Land, he made common cause with the Kingdom of Jerusalem and participated in a combined invasion of FatimidEgypt. Manuel reshaped the political maps of the Balkans and the eastern Mediterranean, placing the kingdoms of Hungary and Outremer under Byzantine hegemony and campaigning aggressively against his neighbours both in the west and in the east. (Full article...)
In the early days of sound cinema, among the various distinguished composers ready to try their hand at film music, Prokofiev was not an obvious choice for the commission. Based in Paris for almost a decade, he had a reputation for experimentation and dissonance, characteristics at odds with the cultural norms of the Soviet Union. By early 1933, however, Prokofiev was anxious to return to his homeland, and saw the film commission as an opportunity to write music in a more popular and accessible style. (Full article...)
The Polish architect Władysław Horodecki originally constructed the House with Chimaeras for use as his own upmarket apartment building during 1901–02. However, as the years went by, Horodecki eventually had to sell the building due to financial troubles, after which it changed ownership numerous times before finally being occupied by an official Communist Partypolyclinic until the early 2000s. When the building was vacated, its interior and exterior decor were fully reconstructed and restored according to Horodecki's original plans. (Full article...)
Although musically precocious, Tchaikovsky was educated for a career as a civil servant as there was little opportunity for a musical career in Russia at the time and no system of public music education. When an opportunity for such an education arose, he entered the nascent Saint Petersburg Conservatory, from which he graduated in 1865. The formal Western-oriented teaching that Tchaikovsky received there set him apart from composers of the contemporary nationalist movement embodied by the Russian composers of The Five with whom his professional relationship was mixed. (Full article...)
Poltava was salvaged after the Japanese captured Port Arthur and incorporated into the Imperial Japanese Navy. The ship, renamed Tango in Japanese service, participated in the Battle of Tsingtao in late 1914, during World War I. She was sold back to the Russians in 1916 and renamed Chesma as her original name was in use by another battleship. The ship became the flagship of the Russian Arctic Flotilla in 1917, and her crew supported the Bolsheviks later that year. Chesma was seized by the British in early 1918 when they intervened in the Russian Civil War, abandoned by them when they withdrew and scrapped by the Soviets in 1924. (Full article...)
Dubnium does not occur naturally on Earth and is produced artificially. The Soviet Joint Institute for Nuclear Research (JINR) claimed the first discovery of the element in 1968, followed by the American Lawrence Berkeley Laboratory in 1970. Both teams proposed their names for the new element and used them without formal approval. The long-standing dispute was resolved in 1993 by an official investigation of the discovery claims by the Transfermium Working Group, formed by the International Union of Pure and Applied Chemistry and the International Union of Pure and Applied Physics, resulting in credit for the discovery being officially shared between both teams. The element was formally named dubnium in 1997 after the town of Dubna, the site of the JINR. (Full article...)
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.
Saint Michael's Castle is a former royal residence in the historic centre of Saint Petersburg, Russia. It was built for Emperor Paul I between 1797 and 1801, and named after Saint Michael, the patron saint of the royal family. Constructed like a castle around a small octagonal courtyard, the four facades were built in different architectural styles, including French Classicism, Italian Renaissance and Gothic. The emperor was assassinated in the castle forty days after taking up residence. After his death, the imperial family returned to the Winter Palace and the building was transferred to the Russian Army's Main Engineering School. In 1990, it became a branch of the Russian Museum, and now houses its portrait gallery.
An aerial view of the Field of Mars, a large park in central Saint Petersburg, Russia, pictured in 2016. It is named after Mars, the Roman god of war. The park's history goes back to the 18th century, when it was converted from bogland and named the Grand Meadow. Later, it was the setting for celebrations to mark Russia's victory over Sweden in the Great Northern War. Its next name, the Tsaritsyn Meadow, appears after the royal family commissioned Francesco Bartolomeo Rastrelli to build the Summer Palace for Empress Elizabeth. It became the Field of Mars during the reign of Paul I. Towards the end of the 18th century, the park became a military drill ground, where they erected monuments commemorating the victories of the Russian Army and where parades and military exercises took place regularly. After the February Revolution in 1917, the Field of Mars became a memorial area for the revolution's honoured dead. In the summer of 1942, as the city was besieged by the German army in the Siege of Leningrad, the park was covered with vegetable gardens to supply food. An eternal flame was lit in the centre of the park in 1957, in memory of the victims of various wars and revolutions.
Saint Basil's Cathedral is a church in Red Square in Moscow, Russia. It was built from 1555 to 1561 on orders from Ivan the Terrible and commemorates the capture of Kazan and Astrakhan. The city's tallest building until the completion of the Ivan the Great Bell Tower in 1600, the original building contained eight side churches arranged around the ninth, central church of Intercession; the tenth church was erected in 1588 over the grave of venerated local saint Vasily (Basil). Although the Bolsheviks considered demolishing the church in the 1930s, it was spared. Since 1991 it has housed a branch of the State Historical Museum and hosted occasional church services.
Maslenitsa, a 1919 painting depicting the carnival of the same name, which takes place the last week before Great Lent. The painting encompasses a broad range of things associated with Russia, such as snowy winter weather, a troika, an Orthodox church with onion domes. Painted in the aftermath of the October Revolution, the canvas was intended as a farewell to the unspoilt "Holy Russia" of yore.
A female Siberian tiger (Panthera tigris altaica), a subspecies of tiger native to Central Asia, and her cub. The Siberian tiger is the largest of the extant tiger subspecies as well as the largest felid, attaining 320 kg (710 lb) in an exceptional specimen. Considered an endangered subspecies, the wild population is down to several hundred individuals and is limited to eastern Siberia.
The Solovetsky Monastery is a Russian Orthodox monastery in Solovetsky, Arkhangelsk, Russia. Founded in 1436 by the monk Zosima, the monastery grew in power into the 16th century, becoming an economic and political center of the White Sea region and eventually hosting 350 monks. After the Bolshevik Revolution, Soviet authorities closed down the monastery and incorporated many of its buildings into Solovki prison camp, one of the earliest forced-labor camps of the gulag system. The camp closed after the region's trees had been harvested. Today the monastery has been re-established, and also serves as a museum.
The Last Day of Pompeii is an oil painting on canvas completed by the Russian artist Karl Bryullov between 1830 and 1833. The painting is based on sketches the artist completed in 1828 while visiting Pompeii, a city destroyed by the eruption of Mount Vesuvius in 79 AD. It is now held in the State Russian Museum.
Fyodor Dostoevsky (1821–81; depicted in 1872) was a Russian novelist, short story writer, essayist and philosopher. After publishing his first novel, Poor Folk, at age 25, Dostoyevsky wrote (among others) eleven novels, three novellas, and seventeen short novels, including Crime and Punishment (1866), The Idiot (1869), and The Brothers Karamazov (1880).
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.
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.
Alexis (1629–1676) was the tsar of Russia from 1645 until his death. Born in Moscow on 29 March 1629, the son of Tsar Michael and Eudoxia Streshneva, the sixteen-year-old Alexis acceded to the throne after his father's death. Boris Morozov, a shrewd boyar open to Western ideas, took charge of Russia in the early years of Alexis's reign, but was exiled from Moscow following a popular uprising. Alexis responded to the uprising with a new legal code. His reign saw wars with Poland and with Sweden, a schism in the Russian Orthodox Church, and the major Cossack revolt of Stenka Razin. Alexis was married twice and had sixteen children, including tsars Fyodor III; Ivan V; Peter the Great; and Sofia, who ruled as regent for her brothers from 1682 to 1689.
This oil painting, made by an unknown artist in the 1670s, is now located in a museum in Ptuj, Slovenia.
The Tauride Palace is one of the largest and most historic palaces in Saint Petersburg, Russia. It was designed by Ivan Starov for Prince Grigory Potemkin, and was constructed between 1783 and 1789. After the owner's death, it was purchased by Catherine the Great, who constructed a theatre in the east wing and a church in the west wing. Many improvements were also made to the grounds, including construction of the Admiralty Pavilion, the gardener house, the orangery, glass-houses, bridges, and ironwork fences. Although the exterior of the building was rather plain, the interior was very luxurious. More recently, the building housed the first Imperial State Duma (1906–1917) and the post-revolution provisional government.
The first mentions of pastila in Russian written sources date back to the 16th century. The name is probably a loanword from Italian: pastello or pastiglia, or from the cognate French: pastille which in turn comes from Latin: pastillus (a loaf or pie, cf. pastilla). (Full article...)
Not much is known about Zotov's life aside from his connection to Peter. Zotov left Moscow for a diplomatic mission to Crimea in 1680 and returned to Moscow before 1683. He became part of the "Jolly Company", a group of several dozen of Peter's friends that eventually became The All-Joking, All-Drunken Synod of Fools and Jesters. Zotov was mockingly appointed "Prince-Pope" of the Synod, and regularly led them in games and celebrations. He accompanied Peter on many important occasions, such as the Azov campaigns and the torture of the Streltsy after their uprising. Zotov held a number of state posts, including from 1701 a leading position in the Tsar's personal secretariat. Three years before his death, Zotov married a woman 50 years his junior. He died in December 1717 of unknown causes. (Full article...)
... that the 1885 wreck of the cargo ship Dmitry was the inspiration for the arrival of Count Dracula in England in Bram Stoker's 1897 novel?
... that the 1917 Leeds Convention in Britain passed resolutions calling for the end of the First World War and praising the February Revolution in Russia?
... that Russian money, known as qiang tie by locals, was used as legal currency in some regions of China for decades?
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