During a journey to Washington, D. C. in 1923 Hubbard learned of Freudian psychology from Commander Joseph " Snake " Thompson, a U. S. Navy psychoanalyst and medic.

During the World War I, Germany's Pacific island territories were seized and they became League of Nations Mandates in 1923.

During an American Museum of Natural History expedition to the Outer Mongolian Gobi Desert, on 11 August 1923 Peter Kaisen recovered the first Velociraptor fossil known to science: a crushed but complete skull, associated with one of the raptorial second toe claws ( AMNH 6515 ).

During his time in Frankfurt he married Luise Lotter ( 1893 – 1975 ), widow Schuster, on 11 December 1923.

During the years 1920 – 1923, Holst's popularity grew through the success of The Planets and The Hymn of Jesus ( 1917 ) ( based on the Apocryphal gospels ), and the publication of a new opera, The Perfect Fool ( a satire of a work by Wagner ).

During their four-year partnership, they wrote five comedies – Dulcy ( 1921 ), To the Ladies ( 1922 ), Merton of the Movies ( 1922 ), The Deep Tangled Wildwood ( 1923 ) and Beggar on Horseback ( 1924 ) – and also co-directed and contributed sketches to the 1922 revue The ' 49ers, collaborated on the book to the musical comedy Helen of Troy, New York ( 1923 ), and wrote both the book and lyrics for another musical comedy, Be Yourself ( 1924 ).

During the German Revolution he became a member of the soldier's soviet of his army corps and later a member of the KPD in 1920, joining its Central Committee in 1923.

During the years of 1917 to 1923, the Soviet Union not only fought in World War I, but also fought the Russian Civil War against the White Army and foreign armies from United States, United Kingdom, and France, among others.

* Thorndike, Lynn, A History of Magic and Experimental Science: During the First Thirteen Centuries of Our Era, Volume II, pp. 236 – 245, Columbia University Press, 1923, New York and London, Hardcover, 1036 pages ISBN 0-231-08795-0

During Prohibition ( 1923 – 33 ), the village's proximity to the Canadian border made it popular with those who wanted to smuggle illegal alcohol across the border.

During the Presidencies of Warren Harding ( 1921 – 23 ) and Calvin Coolidge ( 1923 – 29 ), the federal government generally pursued laissez-faire economic policies.

September 1923. During the late 1920s through the early 1930s, gunmen from criminal gangs in the United States began wearing less-expensive vests made from thick layers of cotton padding and cloth.

During Summer 1923, Walt Disney created ' The Disney Bros Cartoon Studio ' in his Uncle Robert Disney's garage, located at 4406 Kingswell Avenue, in the Los Feliz neighborhood of Los Angeles.

During October 1923, the brothers moved to a bigger lot, located in a former real estate agency at 4651 Kingswell Avenue.

During one jump in New Jersey in June 1923, Julian played “ I ’ m Running Wild ” on the saxophone.

During the Irish Civil War, O ' Kelly was in jail until December, 1923.

During the spring of 1923 Kate Wiggin traveled to England as a New York delegate to the Dickens Fellowship.

During the 1920s and very early 1930s, Henderson actually wrote few, if any, arrangements ; most of his recordings were arranged by Redman ( c. 1923 – 1927 ) or Benny Carter ( after 1927 – c. 1931 ).

*" Preliminary Note on Additional Sinanthropus Material Discovered in Chou Kou Tien During 1923.

During the 1922 and 1923 seasons the Yellow Jackets comprised a 6-2-1 record against teams from the National Football League.

During 1923, with fellow dancers, Balanchine formed a small ensemble, the Young Ballet.

During 1923 Harth and Messerschmitt had a falling out and went their separate ways, with Messerschmitt founding his own aircraft company at Augsburg.

During the 1924 Anthracite League season, the Maroons added three members of the NFL's 1923 Canton Bulldogs championship team to their roster.

During his time in office he held the Military Department ( department of defence ) and was President of the Confederation in 1923.

During these early years the repair of watches and clocks and the building of special clocks for church steeples formed an important part of the young man's occupation.

During the early part of this century, the Brown & Sharpe works in Providence were unchallenged as the largest single manufacturing facility devoted exclusively to precision machinery and tool manufacture anywhere in the world.

During early childhood, children are more interested in the approval of their parents and teachers than they are in the approval of other children ; ;

During early childhood boys tease and bully, on the average, more than girls ; ;

During the late 19th and early 20th centuries, physicists discovered subatomic components and structure inside the atom, thereby demonstrating that the ' atom ' was divisible.

During this period winter sports were slowly introduced: in 1882 the first figure skating championship was held in St. Moritz, and downhill skiing became a trendy sport with English visitors early in the 20th century, as the first ski-lift was installed in 1908 above Grindelwald.

During the early 1950s the board was divided on whether to defend communists persecuted under McCarthyism.

During the early 20th century, Alicante was a minor capital that enjoyed the benefit of Spain's neutrality during World War I, and that provided new opportunities for the local industry and agriculture.

During the Neolithic Revolution, which occurred during the early Holocene, there were at least two aurochs domestication events: one related to the Indian subspecies, leading to Zebu cattle ; the other one related to the Eurasian subspecies, leading to taurine cattle.

During the early 1960s, while also active in ASCII standardization, IBM simultaneously introduced in its product line of System / 360 the 8-bit Extended Binary Coded Decimal Interchange Code ( EBCDIC ), an expansion of their 6-bit binary-coded decimal ( BCDIC ) representation used in earlier card punches.

During the late 1980s and early 1990s, most BBSes used ANSI to make elaborate welcome screens, and colorized menus, and thus, ANSI support was a sought-after feature in terminal client programs.

During the same period, Ahl was involved in the creation of a small computer for education use, an early personal computer.

During the early 1990s Borland's implementation of C and C ++ outsold Microsoft's.

During the early 1920s, he and his father-in-law developed the Stockade Building System for producing light-weight, weatherproof, and fireproof housing — although the company would ultimately fail.

During the early years of his career he produced several drawings and additional contributions for Target: The Political Cartoon Quarterly.

During the early centuries of Christianity the title " pope " was applied generally to all bishops ; it now has more specific meanings that vary between churches.

During the early 1970s, Manchester United were no longer competing among the top teams in England, and at several stages were battling against relegation.

During the early eighties, nearly all BASE jumps were made using standard skydiving equipment, including two parachutes ( main and reserve ), and deployment components.

During 1971 and 1972 B evolved into " New B " and then C, with the preprocessor being added in 1972 and early 1973 at the urging of Alan Snyder.

During the early settlement of Australia by Europeans, the notion that the bunyip was an actual unknown animal that awaited discovery became common.

During the late 1970s and early 1980s, the site hosted Creative Time's landmark Art on the Beach sculpture exhibitions.

During a rise of " retro " games in the late 1980s and early 1990s, Steve Jackson Games entered negotiations with Dennis Sustare and Scott Robinson, the current owners of the Bunnies & Burrows copyright, to publish an official GURPS supplement.

During the early 20th century in America, gambling became outlawed and banned by state legislation and social reformers of the time.

During the early twentieth century, electro-mechanical machines were invented to do encryption and decryption using transposition, polyalphabetic substitution, and a kind of " additive " substitution.

During the 7th millennium BC, the northern half of Chad was part of a broad expanse of land, stretching from the Indus River in the east to the Atlantic Ocean in the west, in which ecological conditions favored early human settlement.