His first application of the analysis of variance was published in 1921.

His first book, Manhood of Humanity, was published in 1921.

The 1921 first published photo of The Ashes Urn: Its Origin and History | the Urn in the Illustrated London News.

During Darnley ’ s lifetime there was little public knowledge of the urn, and no record of a published photograph exists before 1921.

The London Illustrated News published this photo in January 1921 ( shown at right ) This 1921 photo was also used by the Perth Western Mail in 1924 in a montage and is shown at the right below it.

The 1921 first published photo of the Ashes Urn used in a montage by the Perth Western Mail in 1924.

*" The Application of Thought to Textual Criticism " ( 1921 ; published 1922 )

In 1921, his third year at the university, he published his first scientific works in the Italian journal Nuovo Cimento: the first was titled: On the dynamics of a rigid system of electrical charges in translational motion ; the second: On the electrostatics of a uniform gravitational field of electromagnetic charges and on the weight of electromagnetic charges.

As a result of their family relationship, Hayek became one of the first to read Wittgenstein's Tractatus Logico-Philosophicus when the book was published in its original German edition in 1921.

After completing his doctorate in 1921, Goebbels worked as a journalist and tried for several years to become a published author.

The theory was first published in 1921.

Kaluza published his derivation in 1921 as an attempt to unify electromagnetism with Einstein's general relativity.

In his lifetime, he published just one book review, one article, a children's dictionary, and the 75-page Tractatus Logico-Philosophicus ( 1921 ).

This resulted in a monograph titled The City, which was probably compiled from research conducted in 1911-1913, and which was published posthumously in 1921.

In 1921, Oxford University Press published her first book on the subject, The Witch-Cult in Western Europe.

The eight-page Azerbaijani satirical periodical was published in Tiflis ( from 1906 to 1917 ), Tabriz ( in 1921 ) and Baku ( from 1922 to 1931 ) in the Azeri and occasionally Russian languages.

During the Civil War period, he published several theoretical economic works, including the popular primer The ABC of Communism ( with Yevgeni Preobrazhensky, 1919 ), and the more academic Economics of the Transitional Period ( 1920 ) and Historical Materialism ( 1921 ).

File: Albert Einstein ( Nobel ). png | Albert Einstein ( 1879-1955 ): revolutionized physics due to his theories of special and general relativity, described Brownian motion, awarded the Nobel Prize in Physics in 1921 for his work on the photoelectric effect, formulated mass – energy equivalence formula E = mc < sup > 2 </ sup >, published more than 300 scientific papers and over 150 non-scientific works, considered the " Father of Modern Physics "

The first physical therapy research was published in the United States in March 1921 in " The PT Review.

It was first published in German in 1921 as Logisch-Philosophische Abhandlung.

Her conclusions were anticipated by William Henry Bragg, who published models of naphthalene and anthracene in 1921 based on other molecules, an early form of molecular replacement.

The work was published in Prague by Aventinum in 1920, and premiered in that city in 1921.

In 1921 the economist John Maynard Keynes published a book on probability theory, A Treatise of Probability.

Irene was Rockwell's model in Mother Tucking Children into Bed, published on the cover of The Literary Digest on January 19, 1921.

Those were his only interludes behind bars, although he collected four more charges on his police record in 1921 and 1922, three for burglary and one for robbery.

On one of his 1921 ventures he was actually come upon by a Detective Sergeant John J. Ryan down on his knees with a tool embedded in a labour office safe in the Postal Telegraph Building ; ;

This incident, coupled with Stalin's demands for the restitution of the Turkish provinces of Kars, Artvin and Ardahan to the Soviet Union ( which were lost by Turkey with the Russo – Turkish War of 1877 – 1878, but were regained with the Treaty of Kars in 1921 ) was one of the main reasons why Turkey decided to give up its general principle of neutrality in foreign affairs.

“ A visit to the ground has only confirmed me ,” Lucas wrote in 1921 ; “ and it was interesting to find that Mr. Apostolides, son of the large local landowner, the hospitality of whose farm at Tekés I enjoyed, was convinced too that the site was by Driskole Krini, for the very sound reason that neither the hills nor the river further east suit Caesar ’ s description .” John D. Morgan in his definitive “ Palae-pharsalus – the Battle and the Town ”, arguing for a site closer still to Krini, where he places Palaepharsalos, writes: “ My reconstruction is similar to Lucas ’ s, and in fact I borrow one of his alternatives for the line of the Pompeian retreat.

The Black and Tans () were one of two ad hoc paramilitary units employed by the Royal Irish Constabulary ( RIC ) as Temporary Constables from 1920 to 1921 to suppress revolution in Ireland, the other body being the Auxiliaries.

And then the frequent wars had prevented organizing any census prior to the Yugoslav one in 1921.

A few months later, in 1921, Bogart made his stage debut in Drifting as a Japanese butler in another Alice Brady play, nervously speaking one line of dialog.

In the years that followed, other states subscribed to limitations of their conduct, and numerous other treaties and bodies were created to regulate the conduct of states towards one another in terms of these treaties, including, but not limited to, the Permanent Court of Arbitration in 1899 ; the Hague and Geneva Conventions, the first of which was passed in 1907 ; the International Court of Justice in 1921 ; the Genocide Convention ; and the International Criminal Court, in the late 1990s.

Upon the partition of Ireland in 1921, the county became one of the basic land divisions employed, along with county boroughs.

By late 1921, he had already became one of the most prominent leaders of the Congress.

The Alumni Association, one of the oldest in the country, was founded in 1921 by the ex-students of National Council of Education.

The Afghans regarded the 1921 agreement as only an informal one.

Scene from the 1921 The Four Horsemen of the Apocalypse ( film ) | Four Horsemen of the Apocalypse, one of the highest-grossing silent films.

This was then strengthened, in 1921, by the March Constitution, one of the most democratic European constitutions enacted after the end of World War I.

The word transition was first used to describe the elements now known as the d-block by the English chemist Charles Bury in 1921, who referred to a transition series of elements during the change of an inner layer of electrons ( for example n = 3 in the 4th row of the periodic table ) from a stable group of 8 to one of 18, or from 18 to 32.

Considered one of his greatest domestic and enduring achievements, President Harding signed Budget and Accounting Act of 1921.

The area was subjected to numerous threats ; one bomb threat in 1921 led to detectives sealing off the area to " prevent a repetition of the Wall Street bomb explosion.

In 1921, Keynes fell " very much in love " with Lydia Lopokova, a well-known Russian ballerina, and one of the stars of Sergei Diaghilev's Ballets Russes.

Accordingly, when Enrico Caruso ( 1873 – 1921 ) — the most emulated Mediterranean tenor of the 20th century — made his acclaimed New York Metropolitan Opera debut in November 1903, one of the specific vocal attributes for which he was praised by music reviewers was the absence of a disruptive vibrato from his singing.

" Documentation suggests that the term " metch-kangmi " is derived from one source ( from the year 1921 ).

Pioneer aviatrices include French, Raymonde de Laroche, the world's first licensed female pilot on March 8, 1910 ; Belgian, Helene Dutrieu, the first woman to fly a passenger, first woman to win an air race ( 1910 ), and first woman to pilot a seaplane ( 1912 ); French, Marie Marvingt the first woman to fly solo across the English Channel and the North Sea in a balloon ( October 26, 1909 ) and first woman to fly as a bomber pilot in combat missions ( 1915 ); American, Harriet Quimby, the USA's first licensed female pilot in 1911, and the first woman to cross the English Channel by airplane ; American Amelia Earhart, the first woman to fly solo across the Atlantic ( 1932 ); Bessie Coleman, the first African American female to become a licensed airplane pilot ( 1921 ); German, Marga von Etzdorf, first woman to fly for an airline ( 1927 ); Opal Kunz, one of the few women to train US Navy fighter pilots during World War II in the Civilian Pilot Training Program ; and the British Amy Johnson, the first woman to fly solo from Britain to Australia ( 1930 ).

In December 1938, Maguire was one of a group of seven people, who had been elected to the Second Dáil in 1921, who met with the IRA Army Council under Seán Russell.