September 26th in stamps Jurij Vega, Christian X of Denmark, T. S. Eliot, Miloš Obrenović, Ivan Pavlov

 Here are some events that happened on September 26th. It could be an event or a person that died or was born on that day

1802 Died: Jurij Vega, Slovene mathematician and physicist (b. 1754)

Baron Jurij Bartolomej Vega (also Veha; Latin: Georgius Bartholomaei Vecha; German: Georg Freiherr von Vega; born Vehovec, March 23, 1754 – September 26, 1802) was a Slovene mathematician, physicist and artillery officer.

Vega published a series of books of logarithm tables. The first one appeared in 1783. Much later, in 1797 it was followed by a second volume that contained a collection of integrals and other useful formulae. His Handbook, which was originally published in 1793, was later translated into several languages and appeared in over 100 issues. His major work was Thesaurus Logarithmorum Completus (Treasury of all Logarithms) that was first published 1794 in Leipzig (its 90th edition was published in 1924). This mathematical table was actually based on Adriaan Vlacq's tables, but corrected a number of errors and extended the logarithms of trigonometric functions for the small angles. An engineer, Franc Allmer, honourable senator of the Graz University of Technology, has found Vega's logarithmic tables with 10 decimal places in the Museum of Carl Friedrich Gauss in Göttingen. Gauss used this work frequently and he has written in it several calculations. Gauss has also found some of Vega's errors in the calculations in the range of numbers, of which there are more than a million. A copy of Vega's Thesaurus belonging to the private collection of the British mathematician and computing pioneer Charles Babbage (1791–1871) is preserved at the Royal Observatory, Edinburgh.

Over the years Vega wrote a four volume textbook Vorlesungen über die Mathematik (Lectures about Mathematics). Volume I appeared in 1782 when he was 28 years old, Volume II in 1784, Volume III in 1788 and Volume IV in 1800. His textbooks also contain interesting tables: for instance, in Volume II one can find closed form expressions for sines of multiples of 3 degrees, written in a form easy to work with.

Vega wrote at least six scientific papers. On August 20, 1789 Vega achieved a world record when he calculated pi to 140 places, of which the first 126 were correct. This calculation he proposed to the Russian Academy of Sciences in Saint Petersburg in the booklet V. razprava (The fifth discussion), where he had found with his calculating method an error on the 113th place from the estimation of Thomas Fantet de Lagny (1660–1734) from 1719 of 127 places. Vega retained his record 52 years until 1841 and his method is mentioned still today.

Stamps from Slovenia depicting Jurij Vega

1849 Born: Ivan Pavlov, Russian physiologist and physician, Nobel Prize laureate (d. 1936)

Ivan Petrovich Pavlov (Russian: Ива́н Петро́вич Па́влов; 26 September 1849 – 27 February 1936) was a Russian physiologist known primarily for his work in classical conditioning.

From his childhood days Pavlov demonstrated intellectual curiosity along with an unusual energy which he referred to as "the instinct for research". Inspired by the progressive ideas which Dmitry Pisarev, a Russian literary critic of the 1860s, and Ivan Sechenov, the father of Russian physiology, were spreading, Pavlov abandoned his religious career and devoted his life to science. In 1870, he enrolled in the physics and mathematics department at the University of Saint Petersburg to study natural science.

Pavlov won the Nobel Prize for Physiology or Medicine in 1904, becoming the first Russian Nobel laureate. A survey in the Review of General Psychology, published in 2002, ranked Pavlov as the 24th most cited psychologist of the 20th century. Pavlov's principles of classical conditioning have been found to operate across a variety of behavior therapies and in experimental and clinical settings, such as educational classrooms and even reducing phobias with systematic desensitization.

Stamps from Hungary,  Romania, Argentina and Russia depicting Ivan Pavlov

1860 Died: Miloš Obrenović, Serbian prince (b. 1780)

Prince Miloš Obrenović I of Serbia (18 March 1780 or 1783 – 26 September 1860) born Miloš Teodorović was Prince of Serbia from 1815 to 1839, and again from 1858 to 1860. He participated in the First Serbian uprising, led Serbs in the Second Serbian uprising, and founded the House of Obrenović. Under his rule, Serbia became an autonomous principality within the Ottoman Empire. Prince Miloš ruled autocratically, consistently refusing to share power, which generated strong domestic opposition. During his rule, Miloš I bought a number of estates and ships from Ottoman Turks and also became a prominent trader. He was the richest man in Serbia and one of the richest in the Balkans, with estates in Vienna, Serbia and Wallachia.

Serbian stamps depicting Miloš Obrenović

1870 Born: Christian X of Denmark (d. 1947)

Christian X (Christian Carl Frederik Albert Alexander Vilhelm; 26 September 1870 – 20 April 1947) was King of Denmark from 1912 to 1947, and the last of the 30 Kings of Iceland (where the name was officially Kristján X) between 1918 and 1944. He was a member of the House of Glücksburg and the first monarch since King Frederick VII that was born into the Danish royal family; both his father and his grandfather were born as princes of a ducal family from Schleswig. Among his siblings was King Haakon VII of Norway.

His character has been described as authoritarian and he strongly stressed the importance of royal dignity and power. His reluctance to fully embrace democracy resulted in the Easter Crisis of 1920, in which he dismissed the democratically elected Social Liberal cabinet with which he disagreed, and installed one of his own choosing. This was in accordance with the letter of the constitution, but the principle of parliamentarianism had been considered a constitutional custom since 1901. Faced with mass demonstrations, a general strike organized by the Social Democrats and the risk of the monarchy being overthrown he was forced to accept that a monarch could not keep a government in office against the will of parliament, as well as his reduced role as a symbolic head of state.

During the German occupation of Denmark, Christian become a popular symbol of resistance, particularly because of the symbolic value of the fact that he rode every day through the streets of Copenhagen unaccompanied by guards. With a reign spanning two world wars, and his role as a rallying symbol for Danish national sentiment during the German occupation, he became one of the most popular Danish monarchs of modern times. King Christian X was known to parade through town on his horse, Jubilee.

Stamps from Iceland, Greenland and Denmark depicting Christian X

1888 Born: T. S. Eliot, English poet, playwright, critic, Nobel Prize laureate (d. 1965)

Thomas Stearns Eliot OM (26 September 1888 – 4 January 1965) was an American-born British poet, essayist, publisher, playwright, literary critic and editor. Born in St. Louis, Missouri, to a prominent Boston Brahmin family, he moved to England in 1914 at the age of 25 and went on to settle, work and marry there. He became a British subject in 1927 at the age of 39, subsequently renouncing his American citizenship.

Considered one of the 20th century's major poets, Eliot attracted widespread attention for his poem "The Love Song of J. Alfred Prufrock" in 1915, which was seen as a masterpiece of the Modernist movement. It was followed by some of the best-known poems in the English language, including "The Waste Land" (1922), "The Hollow Men" (1925), "Ash Wednesday" (1930), and Four Quartets (1943). He was also known for his seven plays, particularly Murder in the Cathedral (1935) and The Cocktail Party (1949). He was awarded the Nobel Prize in Literature in 1948, "for his outstanding, pioneer contribution to present-day poetry".

Stamps from the US and Great Britain depicting T. S. Eliot and his work The Addressing of Cats 

September 25th in stamps Johann Strauss I, William Faulkne, Leopold III of Belgium, Ole Rømer

Here are some events that happened on September 25th. It could be an event or a person that died or was born on that day

1644 Born: Ole Rømer, Danish astronomer and instrument maker (d. 1710)

Ole Christensen Rømer (25 September 1644 – 19 September 1710) was a Danish astronomer who, in 1676, made the first quantitative measurements of the speed of light.

Rømer also invented the modern thermometer showing the temperature between two fixed points, namely the points at which water respectively boils and freezes.

In addition to inventing the first street lights in Copenhagen, Rømer also invented the meridian circle, the altazimuth, and the passage instrument (also known as the transit instrument, a type of meridian circle whose horizontal axis is not fixed in the east-west direction).

In scientific literature, alternative spellings such as "Roemer", "Römer", or "Romer" are common.

Danish stamp depicting Ole Rømer

1849 Died: Johann Strauss I, Austrian composer (b. 1804)

Johann Strauss I (March 14, 1804 – September 25, 1849) was an Austrian Romantic composer. He was famous for his waltzes, and he popularized them alongside Joseph Lanner, thereby setting the foundations for his sons to carry on his musical dynasty. He is perhaps best known for his composition of the Radetzky March (named after Joseph Radetzky von Radetz).

Strauss became deputy conductor of the orchestra to assist Lanner in commissions after it became so popular during the Fasching of 1824 and Strauss was soon placed in command of a second smaller orchestra which was formed as a result of the success of the parent orchestra. In 1825, he decided to form his own band and began to write music (chiefly, dance music) for it to play after he realized that he could also possibly emulate the success of Lanner in addition to putting an end to his financial struggles. By so doing, he would have made Lanner a serious rival although the rivalry did not entail hostile consequences as the musical competition was very productive for the development of the waltz as well as other dance music in Vienna.

He soon became one of the best-known and well loved dance composers in Vienna. During the carnival of 1826, Strauss inaugurated his long line of triumphs by introducing his band to the public of Vienna at the Schwan in the suburb of Roßau where his Täuberln-Walzer (Op. 1) at once established his reputation. He toured with his band to Germany, the Netherlands, Belgium and Britain. The conducting reins and management of this Strauss Orchestra would eventually be passed on to the hands of his sons until its disbandment by Eduard Strauss in 1901.

On a trip to France in 1837 he heard the quadrille and began to compose them himself, becoming largely responsible for introducing that dance to Austria in the 1840 Fasching, where it became very popular. It was this very trip (in 1837) which has proved Strauss' popularity with audiences from different social backgrounds and this paved the way to forming an ambitious plan to perform his music in England for the coronation of Queen Victoria in 1838. Strauss also adapted various popular melodies of his day into his works so as to ensure a wider audience, as evidenced in the incorporation of the Oberon overture into his early waltz, "Wiener Carneval", Op. 3, and also the French national anthem "La Marseillaise" into his "Paris-Walzer", Op. 101.

Austrian stamp issued to commemorate Johann Strauss I

1897 Born: William Faulkner, American novelist and short story writer, Nobel Prize laureate (d. 1962)

William Cuthbert Faulkner (September 25, 1897 – July 6, 1962) was an American writer and Nobel Prize laureate from Oxford, Mississippi. Faulkner wrote novels, short stories, screenplays, poetry, essays, and a play. He is primarily known for his novels and short stories set in the fictional Yoknapatawpha County, based on Lafayette County, Mississippi, where he spent most of his life. 

Faulkner is one of the most celebrated writers in American literature generally and Southern literature specifically. Though his work was published as early as 1919 and largely during the 1920s and 1930s, Faulkner's renown reached its peak upon the publication of Malcolm Cowley's The Portable Faulkner and his 1949 Nobel Prize in Literature, making him the only Mississippi-born Nobel winner. Two of his works, A Fable (1954) and his last novel The Reivers (1962), each won the Pulitzer Prize for Fiction. In 1998, the Modern Library ranked his 1929 novel The Sound and the Fury sixth on its list of the 100 best English-language novels of the 20th century; also on the list were As I Lay Dying (1930) and Light in August (1932). Absalom, Absalom! (1936) appears on similar lists.

US Stamp depicting William Faulkner

1983 Died: Leopold III of Belgium (b. 1901)

Leopold III (3 November 1901 – 25 September 1983) was King of the Belgians from 1934 until 1951, when he abdicated in favor of the heir apparent, his son Baudouin. From 1944 until 1950, Leopold's brother, Charles, served as prince regent while Leopold was declared unable to reign. Leopold's controversial actions during the Second World War resulted in a political crisis known as the Royal Question. In 1950, the debate about whether Leopold could resume his royal functions escalated. Following a referendum, Leopold was allowed to return from exile to Belgium, but the continuing political instability pressured him to abdicate in 1951.

Leopold was born in Brussels and succeeded to the throne of Belgium on 23 February 1934, following the death of his father King Albert I.

Some stamps issued by Belgium depicting King Leopold III

September 24th in stamps F. Scott Fitzgerald, Dr. Seuss, Niels Ryberg Finsen

Here are some events that happened on September 24th. It could be an event or a person that died or was born on that day

1896 Born: F. Scott Fitzgerald, American novelist and short story writer (d. 1940)

Francis Scott Key Fitzgerald (September 24, 1896 – December 21, 1940) was an American novelist, essayist, screenwriter, and short-story writer, although he was best known for his novels depicting the flamboyance and excess of the Jazz Age—a term which he coined. During his lifetime, he published four novels, four collections of short stories, and 164 short stories. Although he temporarily achieved popular success and fortune in the 1920s, Fitzgerald only received wide critical and popular acclaim after his death. He is widely regarded as one of the greatest American writers of the 20th century.

Fitzgerald was born into an upper-middle-class family in St. Paul, Minnesota, but was primarily raised in New York. He attended Princeton University, but due to a failed relationship and a preoccupation with writing, he dropped out in 1917 to join the army. While stationed in Alabama, he fell in love with rich socialite Zelda Sayre. Although she initially rejected him due to his financial situation, Zelda agreed to marry Fitzgerald after he had published the commercially successful This Side of Paradise (1920).

In the 1920s, Fitzgerald frequented Europe, where he was influenced by the modernist writers and artists of the "Lost Generation" expatriate community, particularly Ernest Hemingway. His second novel, The Beautiful and Damned (1922), propelled him into the New York City elite. To maintain his lifestyle during this time, he also wrote several stories for magazines. His third novel, The Great Gatsby (1925), was inspired by his rise to fame and relationship with Zelda. Although it received mixed reviews, The Great Gatsby is now widely praised, with some even labeling it the "Great American Novel". While Zelda was placed at a mental institute for her schizophrenia, Fitzgerald completed his final novel, Tender Is the Night (1934).

Faced with financial difficulties due to the declining popularity of his works, Fitzgerald turned to Hollywood, writing and revising screenplays. After a long struggle with alcoholism, he died in 1940, at the age of 44. A fifth, unfinished novel, The Last Tycoon (1941), was completed by Edmund Wilson and published after Fitzgerald's death.

US stamp and Cover depicting F. Scott Fitzgerald

1904 Died: Niels Ryberg Finsen, Faroese-Danish physician and educator, Nobel Prize laureate (b. 1860)

Niels Ryberg Finsen (15 December 1860 – 24 September 1904) was a Danish-Faroese physician and scientist. In 1903, he was awarded the Nobel Prize in Medicine and Physiology "in recognition of his contribution to the treatment of diseases, especially lupus vulgaris, with concentrated light radiation, whereby he has opened a new avenue for medical science."

In 1882, Finsen moved to Copenhagen to study medicine at the University of Copenhagen, from which he graduated in 1890. Because he had studied in Iceland before moving to Copenhagen to study, he enjoyed privileged admission to Regensen, which is the most prestigious college dormitory in Denmark. Priotisation of Icelandic and Faroese individuals in the admission process was official Danish government policy that had been put in place in order to integrate the educated elites of its colonies with the university population in Copenhagen. Following graduation, he became a prosector of anatomy at the university. After three years, he quit the post to devote himself fully to his scientific studies. In 1898 Finsen was given a professorship and in 1899 he became a Knight of the Order of Dannebrog.

The Finsen Institute was founded in 1896, with Finsen serving as its first director. It was later merged into Copenhagen University Hospital and currently serves as a cancer research laboratory that specializes in proteolysis.

Finsen suffered from Niemann–Pick disease, which inspired him to sunbathe and investigate the effects of light on living things. As a result, Finsen is best known for his theory of phototherapy, in which certain wavelengths of light can have beneficial medical effects. His most notable writings were Finsen Om Lysets Indvirkninger paa Huden ("On the effects of light on the skin"), published in 1893 and Om Anvendelse i Medicinen af koncentrerede kemiske Lysstraaler ("The use of concentrated chemical light rays in medicine"), published in 1896. The papers were rapidly translated and published in both German and French. In his late work he researched the effects of sodium chloride, observing the results of a low sodium diet, which he published in 1904 as En Ophobning af Salt i Organismen ("An accumulation of salt in the organism").

Finsen won the Nobel Prize in Physiology in 1903 for his work on phototherapy. He was the first Scandinavian to win the prize and is the only Faroese Nobel Laureate to date. In 1904, Finsen was awarded the Cameron Prize for Therapeutics of the University of Edinburgh.

Stamps from Denmark and the Faroe Island depicting Niels Ryberg Finsen

1991 Died: Dr. Seuss, American children's book writer, poet, and illustrator (b. 1904)

Theodor Seuss "Ted" Geisel (March 2, 1904 – September 24, 1991) was an American children's author, political cartoonist, illustrator, poet, animator, screenwriter, and filmmaker. He is known for his work writing and illustrating more than 60 books under the pen name Dr. Seuss. His work includes many of the most popular children's books of all time, selling over 600 million copies and being translated into more than 20 languages by the time of his death.

Geisel adopted the name "Dr. Seuss" as an undergraduate at Dartmouth College and as a graduate student at Lincoln College, Oxford. He left Oxford in 1927 to begin his career as an illustrator and cartoonist for Vanity Fair, Life, and various other publications. He also worked as an illustrator for advertising campaigns, most notably for FLIT and Standard Oil, and as a political cartoonist for the New York newspaper PM. He published his first children's book And to Think That I Saw It on Mulberry Street in 1937. During World War II, he took a brief hiatus from children's literature to illustrate political cartoons, and he also worked in the animation and film department of the United States Army where he wrote, produced or animated many productions – both live-action and animated – including Design for Death, which later won the 1947 Academy Award for Best Documentary Feature. 

After the war, Geisel returned to writing children's books, writing classics like If I Ran the Zoo (1950), Horton Hears a Who! (1955), If I Ran the Circus (1956), The Cat in the Hat (1957), How the Grinch Stole Christmas! (1957), and Green Eggs and Ham (1960). He published over 60 books during his career, which have spawned numerous adaptations, including 11 television specials, five feature films, a Broadway musical, and four television series.

Geisel won the Lewis Carroll Shelf Award in 1958 for Horton Hatches the Egg and again in 1961 for And to Think That I Saw It on Mulberry Street. Geisel's birthday, March 2, has been adopted as the annual date for National Read Across America Day, an initiative on reading created by the National Education Association.

US stamps featuring Dr. Seuss and or his characters

September 23rd in stamps Roland Garros, Sigmund Freud, Herman Boerhaave

Here are some events that happened on September 23rd. It could be an event or a person that died or was born on that day

1738 Died: Herman Boerhaave, Dutch botanist and physician (b. 1668)

Herman Boerhaave (31 December 1668 – 23 September 1738) was a Dutch botanist, chemist, Christian humanist, and physician of European fame. He is regarded as the founder of clinical teaching and of the modern academic hospital and is sometimes referred to as "the father of physiology," along with Venetian physician Santorio Santorio (1561–1636). Boerhaave introduced the quantitative approach into medicine, along with his pupil Albrecht von Haller (1708–1777) and is best known for demonstrating the relation of symptoms to lesions. He was the first to isolate the chemical urea from urine. He was the first physician to put thermometer measurements to clinical practice. His motto was Simplex sigillum veri: 'Simplicity is the sign of the truth'. He is often hailed as the "Dutch Hippocrates".

Dutch stamp depicting Herman Boerhaave

1913 – Roland Garros of France becomes the first to fly in an airplane across the Mediterranean (from St. Raphael in France to Bizerte, Tunisia).

Eugène Adrien Roland Georges Garros (6 October 1888 – 5 October 1918) was a French pioneering aviator and fighter pilot during World War I and early days of aviation. In 1928, the Roland Garros tennis stadium was named in his memory; the French Open tennis tournament takes the name of Roland-Garros from the stadium in which it is held.


On 23 September 1913 Roland Garros gained fame for making the first non-stop flight across the Mediterranean Sea from Fréjus-Saint Raphaël in the south of France to Bizerte in Tunisia in a Morane-Saulnier G. The flight commenced at 5:47 am and lasted nearly eight hours during which Garros had to solve two engine malfunctions. The following year, Garros joined the French army at the outbreak of World War I

Stamps from France and Monaco depicting Roland Garros and or his plane or the stadium named after him

1939 Died: Sigmund Freud, Austrian neurologist and psychiatrist (b. 1856)

Sigmund Freud (born Sigismund Schlomo Freud; 6 May 1856 – 23 September 1939) was an Austrian neurologist and the founder of psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst. 

Freud was born to Galician Jewish parents in the Moravian town of Freiberg, in the Austrian Empire. He qualified as a doctor of medicine in 1881 at the University of Vienna. Upon completing his habilitation in 1885, he was appointed a docent in neuropathology and became an affiliated professor in 1902. Freud lived and worked in Vienna, having set up his clinical practice there in 1886. In 1938, Freud left Austria to escape Nazi persecution. He died in exile in the United Kingdom in 1939.

In founding psychoanalysis, Freud developed therapeutic techniques such as the use of free association and discovered transference, establishing its central role in the analytic process. Freud's redefinition of sexuality to include its infantile forms led him to formulate the Oedipus complex as the central tenet of psychoanalytical theory. His analysis of dreams as wish-fulfillments provided him with models for the clinical analysis of symptom formation and the underlying mechanisms of repression. On this basis Freud elaborated his theory of the unconscious and went on to develop a model of psychic structure comprising id, ego and super-ego. Freud postulated the existence of libido, a sexualised energy with which mental processes and structures are invested and which generates erotic attachments, and a death drive, the source of compulsive repetition, hate, aggression and neurotic guilt. In his later works, Freud developed a wide-ranging interpretation and critique of religion and culture.

Though in overall decline as a diagnostic and clinical practice, psychoanalysis remains influential within psychology, psychiatry, and psychotherapy, and across the humanities. It thus continues to generate extensive and highly contested debate with regard to its therapeutic efficacy, its scientific status, and whether it advances or is detrimental to the feminist cause. Nonetheless, Freud's work has suffused contemporary Western thought and popular culture. W. H. Auden's 1940 poetic tribute to Freud describes him as having created "a whole climate of opinion / under whom we conduct our different lives."

Austrian Stamp depicting Sigmund Freud

September 22nd in stamps Michael Faraday, Queen Victoria, Alexander Potebnja

Here are some events that happened on September 22nd. It could be an event or a person that died or was born on that day

1791 Born: Michael Faraday, English physicist and chemist (d. 1867)

Michael Faraday (22 September 1791 – 25 August 1867) was an English scientist who contributed to the study of electromagnetism and electrochemistry. His main discoveries include the principles underlying electromagnetic induction, diamagnetism and electrolysis.

Although Faraday received little formal education, he was one of the most influential scientists in history. It was by his research on the magnetic field around a conductor carrying a direct current that Faraday established the basis for the concept of the electromagnetic field in physics. Faraday also established that magnetism could affect rays of light and that there was an underlying relationship between the two phenomena. He similarly discovered the principles of electromagnetic induction and diamagnetism, and the laws of electrolysis. His inventions of electromagnetic rotary devices formed the foundation of electric motor technology, and it was largely due to his efforts that electricity became practical for use in technology.

As a chemist, Faraday discovered benzene, investigated the clathrate hydrate of chlorine, invented an early form of the Bunsen burner and the system of oxidation numbers, and popularised terminology such as "anode", "cathode", "electrode" and "ion". Faraday ultimately became the first and foremost Fullerian Professor of Chemistry at the Royal Institution, a lifetime position.

Faraday was an excellent experimentalist who conveyed his ideas in clear and simple language; his mathematical abilities, however, did not extend as far as trigonometry and were limited to the simplest algebra. James Clerk Maxwell took the work of Faraday and others and summarized it in a set of equations which is accepted as the basis of all modern theories of electromagnetic phenomena. On Faraday's uses of lines of force, Maxwell wrote that they show Faraday "to have been in reality a mathematician of a very high order – one from whom the mathematicians of the future may derive valuable and fertile methods." The SI unit of capacitance is named in his honour: the farad.

Albert Einstein kept a picture of Faraday on his study wall, alongside pictures of Isaac Newton and James Clerk Maxwell. Physicist Ernest Rutherford stated, "When we consider the magnitude and extent of his discoveries and their influence on the progress of science and of industry, there is no honour too great to pay to the memory of Faraday, one of the greatest scientific discoverers of all time."

Stamp and First Day Cover issued by Great Britain depicting Michael Faraday 

1835 Born: Alexander Potebnja, Ukrainian linguist and philosopher (d. 1891)

Alexander Potebnja (Russian: Алекса́ндр Афана́сьевич Потебня́; Ukrainian: Олекса́ндр Опана́сович Потебня́) was a Russian Imperial and Ukrainian linguist, philosopher and panslavist, who was a professor of linguistics at the Imperial University of Kharkov. He is well known as a specialist in the evolution of Russian phonetics.

He constructed a theory of language and consciousness that later influenced the thinking of his countryman the Psychologist Lev Vygotsky. His main work was Language and Thought (Russian: Мысль и язык) (1862). He also publisched a number of works on Russian Grammar, on the History of the Sounds in the Russian Language and on Slavic folk poetry, furthermore he translated a short fragment of Homer's Odyssey into Ukrainian. Potebnja was a corresponding member of the St. Petersburg Academy of Sciences, the foremost academic institution in the Russian Empire.

Stamp from the Ukraine depicting Alexander Potebnja

1896 – Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.

Victoria (Alexandrina Victoria; 24 May 1819 – 22 January 1901) was Queen of the United Kingdom of Great Britain and Ireland from 20 June 1837 until her death. She adopted the additional title of Empress of India on 1 May 1876. Known as the Victorian era, her reign of 63 years and seven months was longer than that of any of her predecessors. It was a period of industrial, cultural, political, scientific, and military change within the United Kingdom, and was marked by a great expansion of the British Empire.

Victoria was the daughter of Prince Edward, Duke of Kent and Strathearn (the fourth son of King George III), and Princess Victoria of Saxe-Coburg-Saalfeld. After both the Duke and his father died in 1820, she was raised under close supervision by her mother and her comptroller, John Conroy. She inherited the throne aged 18 after her father's three elder brothers died without surviving legitimate issue. Though a constitutional monarch, privately, Victoria attempted to influence government policy and ministerial appointments; publicly, she became a national icon who was identified with strict standards of personal morality.

Victoria married her cousin Prince Albert of Saxe-Coburg and Gotha in 1840. Their children married into royal and noble families across the continent, earning Victoria the sobriquet "the grandmother of Europe" and spreading haemophilia in European royalty. After Albert's death in 1861, Victoria plunged into deep mourning and avoided public appearances. As a result of her seclusion, republicanism in the United Kingdom temporarily gained strength, but in the latter half of her reign, her popularity recovered. Her Golden and Diamond Jubilees were times of public celebration. She died on the Isle of Wight in 1901. The last British monarch of the House of Hanover, she was succeeded by her son Edward VII of the House of Saxe-Coburg and Gotha.

Great Britain Penny Black stamps, the first stamps issued in the world

Stamp from India and Great Britain showing Empress Victoria 

September 21st in stamps Arthur Schopenhauer, H. G. Wells, Haakon VII of Norway

Here are some events that happened on September 21st. It could be an event or a person that died or was born on that day

1860 Died: Arthur Schopenhauer, German philosopher and author (b. 1788)

Arthur Schopenhauer (22 February 1788 – 21 September 1860) was a German philosopher. He is best known for his 1818 work The World as Will and Representation (expanded in 1844), wherein he characterizes the phenomenal world as the product of a blind and insatiable metaphysical will. Building on the transcendental idealism of Immanuel Kant, Schopenhauer developed an atheistic metaphysical and ethical system that rejected the contemporaneous ideas of German idealism.  He was among the first thinkers in Western philosophy to share and affirm significant tenets of Indian philosophy, such as asceticism, denial of the self, and the notion of the world-as-appearance. His work has been described as an exemplary manifestation of philosophical pessimism.   

Though his work failed to garner substantial attention during his lifetime, Schopenhauer has had a posthumous impact across various disciplines, including philosophy, literature, and science. His writing on aesthetics, morality, and psychology have influenced many thinkers and artists. Those who have cited his influence include philosophers Friedrich Nietzsche, Ludwig Wittgenstein, and Anthony Ludovici, scientists Erwin Schrödinger and Albert Einstein, psychoanalysts Sigmund Freud and Carl Jung, and writers such as Leo Tolstoy, Thomas Mann, George Bernard Shaw, Machado de Assis, Jorge Luis Borges, and Samuel Beckett. 

Stamps from Danzig and Germany depicting Arthur Schopenhauer

1866 Born: H. G. Wells, English novelist, historian, and critic (d. 1946)

Herbert George Wells (21 September 1866 – 13 August 1946) was an English writer. Prolific in many genres, he wrote dozens of novels, short stories, and works of social commentary, history, satire, biography and autobiography. His work also included two books on recreational war games. Wells is now best remembered for his science fiction novels and is often called the "father of science fiction", along with Jules Verne and the publisher Hugo Gernsback.

During his own lifetime, however, he was most prominent as a forward-looking, even prophetic social critic who devoted his literary talents to the development of a progressive vision on a global scale. A futurist, he wrote a number of utopian works and foresaw the advent of aircraft, tanks, space travel, nuclear weapons, satellite television and something resembling the World Wide Web. His science fiction imagined time travel, alien invasion, invisibility, and biological engineering. Brian Aldiss referred to Wells as the "Shakespeare of science fiction". Wells rendered his works convincing by instilling commonplace detail alongside a single extraordinary assumption – dubbed “Wells's law” – leading Joseph Conrad to hail him in 1898 as "O Realist of the Fantastic!". His most notable science fiction works include The Time Machine (1895), The Island of Doctor Moreau (1896), The Invisible Man (1897), The War of the Worlds (1898) and the military science fiction The War in the Air (1907). Wells was nominated for the Nobel Prize in Literature four times. 

Wells's earliest specialized training was in biology, and his thinking on ethical matters took place in a specifically and fundamentally Darwinian context. He was also from an early date an outspoken socialist, often (but not always, as at the beginning of the First World War) sympathizing with pacifist views. His later works became increasingly political and didactic, and he wrote little science fiction, while he sometimes indicated on official documents that his profession was that of journalist. Novels such as Kipps and The History of Mr Polly, which describe lower-middle-class life, led to the suggestion that he was a worthy successor to Charles Dickens, but Wells described a range of social strata and even attempted, in Tono-Bungay (1909), a diagnosis of English society as a whole. Wells was a diabetic and co-founded the charity The Diabetic Association (known today as Diabetes UK) in 1934.

Set of stamps issued by Great Britain depicting H. G. Wells works

1957 Died: Haakon VII of Norway (b. 1872)

Haakon VII (born Prince Carl of Denmark; 3 August 1872 – 21 September 1957) was the King of Norway from 1905 until his death in 1957.

Originally a Danish prince, he was born in Copenhagen as the son of the future Frederick VIII of Denmark and Louise of Sweden. Prince Carl was educated at the Royal Danish Naval Academy and served in the Royal Danish Navy. After the 1905 dissolution of the union between Sweden and Norway, Prince Carl was offered the Norwegian crown. Following a November plebiscite, he accepted the offer and was formally elected King of Norway by the Storting. He took the Old Norse name Haakon and ascended to the throne as Haakon VII, becoming the first independent Norwegian monarch since 1387. 

Norway was invaded by Nazi Germany in April 1940. Haakon rejected German demands to legitimise the Quisling regime's puppet government and refused to abdicate after going into exile in Great Britain. As such, he played a pivotal role in uniting the Norwegian nation in its resistance to the invasion and the subsequent five-year-long occupation during the Second World War. He returned to Norway in June 1945 after the defeat of Germany.

He became King of Norway when his grandfather, Christian IX was still reigning in Denmark; and before his father and older brother became kings of Denmark. During his reign he saw his father, his elder brother Christian X, and his nephew Frederick IX ascend the throne of Denmark, in 1906, 1912, and 1947 respectively. Haakon died at the age of 85 in September 1957, after having reigned for nearly 52 years. He was succeeded by his only son, who ascended to the throne as Olav V.

Stamps from Norway depicting King Haakon VII