During the 1930s, the ACLU started to engage in work combating police misconduct and Native American rights.

During the 1930s and 1940s Joseph Stalin's NKVD carried out numerous assassinations outside of the Soviet Union, such as the killings of Organization of Ukrainian Nationalists leader Yevhen Konovalets, Ignace Poretsky, Fourth International secretary Rudolf Klement, Leon Trotsky, and the Workers ' Party of Marxist Unification ( POUM ) leadership in Catalonia.

During the 1930s other ideas were proposed as non-standard cosmologies to explain Hubble's observations, including the Milne model, the oscillatory Universe ( originally suggested by Friedmann, but advocated by Albert Einstein and Richard Tolman ) and Fritz Zwicky's tired light hypothesis.

During the 1930s, the silent film comedy was replaced by dialogue from film comedians such as the W. C. Fields and the Marx Brothers.

During the 1930s, multiple acts of cannibalism were reported from Ukraine and Russia's Volga, South Siberian and Kuban regions during the Soviet famine of 1932 – 1933.

During the 1930s, the original art for a daily strip could be drawn as large as 25 inches wide by six inches high.

During the 1930s and 40s, significant improvements were made to the ground, making it one of the largest in the country at that time.

During the 1930s the French Army experimented with integrating mounted and mechanised cavalry units into larger formations.

During the 1930s and early 1940s, Alston created illustrations for magazines such as Fortune, Mademoiselle, The New Yorker, Melody Maker and others.

During the early 1930s throughout Europe, Jewish owners of numerous fine art masterpieces found themselves forced to give up or sell off their collections for minimal prices due to anti-Jewish laws created by the new Nazi regime.

During the late 1920s and early 1930s Eisenhower's career in the post war army stalled somewhat, as military priorities diminished ; many of his friends resigned for high-paying business jobs.

During the 1920s and 1930s destroyers were often deployed to areas of diplomatic tension or humanitarian disaster.

During the Great Depression of the 1930s, John Maynard Keynes authored a book entitled The General Theory of Employment, Interest and Money outlining the key theories of Keynesian economics.

During the 1920s and 1930s, Aimee Semple McPherson was a controversial faith healer of growing popularity during the Great Depression.

During the latter's dictatorship in the 1930s, Guatemala was further opened up to foreign investment, with special favors being made by Ubico to the United Fruit Company in particular.

During the late 1930s and through the 1940s — the heyday of big band jazz and swing music — the guitar was an important rhythm section instrument.

During the early 1930s, the Vienna Circle dispersed, mainly because of political upheaval and the deaths of Hahn and Schlick.

During the 1920s and the 1930s, Stalin fought and defeated the political influence of Leon Trotsky and of the Trotskyists in Russia, by means of slander, anti-Semitism, programmed censorship, expulsions, exile ( internal and external ), and imprisonment.

Hofmann was renowned not only as an artist but also as a teacher of art, and a modernist theorist both in his native Germany and later in the U. S. During the 1930s in New York and California he introduced modernism and modernist theories to a new generation of American artists.

During the 1930s, the illustrator Vernon Grant developed Snap, Crackle and Pop as gnome-like mascots for the Kellogg Company.

During the 1930s and 1940s, the state passed labor laws, implemented agrarian reform, and assumed a role in modernization, influenced in part by the leadership of Juan Domingo Perón in Argentina and Getúlio Dornelles Vargas in Brazil.

During the 1930s Belgian colonial authorities in Rwanda used phrenology to explain the so-called superiority of Tutsis over Hutus.

During the 1930s, the minotaur replaced the harlequin as a common motif in his work.

During the 1930s and 1940s, Heinlein was deeply interested in Alfred Korzybski's General Semantics and attended a number of seminars on the subject.

During its 19-year run, Gwalarn tried to raise the language to the level of other great “ international ” languages by creating original works covering all genres and by proposing Breton translations of internationally-recognized foreign works.

During the summer before the 1953 season, the Browns ' original owners sold the team for a then-unheard-of $ 600, 000.

During the 1970s, a growing number of Canadian stations pushed American channels off the systems, forcing several to expand beyond the original 12-channel system configurations.

During the 1980s, Allan Bromley, an associate professor at the University of Sydney, Australia, studied Babbage's original drawings for the Difference and Analytical Engines at the Science Museum library in London.

During this time, the concept of " reform " emerged, in the original sense of the Latin verb re-formare, to regain an earlier shape that had been lost.

During the 80's the Airborne Early Warning / Ground Environment Integration Segment ( AEGIS ) upgraded the original NADGE systems with the possibility to integrate the AWACS ( the E-3 Sentry built by Boeing ) information into its visual displays.

During his original stint with the X-Men, Drake pursues a relationship with Lorna Dane, although the relationship does not last.

During this period, they also began to experiment with cutting-edge comedy concepts such as the original ( unreleased ) Filet of Soul and Jan & Dean Meet Batman.

During their visit they met Herman Goldstine, one of the original developers of ENIAC, the first general-purpose electronic computer ( although it had no stored program ).

During 1976 – 77, in the midst of the original UK punk movement, bands emerged such as Manchester's Joy Division, The Fall, and Magazine, Leeds ' Gang of Four, and London's The Raincoats that became central post-punk figures.

During the " pan and scan " process, an editor selects the parts of the original filmed composition that seem to be the focus of the shot and makes sure that these are copied ( i. e. " scanned ").

The earliest original writings in Coptic language were the letters by St. Anthony of Egypt, first of the “ Desert Fathers .” During the 3rd and 4th centuries many ecclesiastics and monks wrote in Coptic, among them, St. Pachomius, whose monastic rule ( the first cenobitic rule, for solitary monks gathered in communities ) survives only in Coptic.

During playback, the high frequencies must be rescaled to their original, flat frequency response — known as " equalization "— as well as being amplified.

During Lennon's post-Beatles years in New York, this guitar was restored to its original natural wood finish and the cracked gold pickguard replaced with a white one.

During this period, Steiner maintained an original approach, replacing Madame Blavatsky's terminology with his own, and basing his spiritual research and teachings upon the Western esoteric and philosophical tradition.

During the time the gallery was closed the opportunity was also taken to restore the paintings to their original condition.

During this game, CBS would introduce a new theme that would be used the following season for the NFL Today pregame show between 1976 and 1981 in its original form, with a remake for 1982 followed by updates for 1983 and 1989 before its retirement.

During production of early episodes of the original series, several details of the makeup of the Star Trek universe had yet to be worked out, including the operating authority for the USS Enterprise.

During this, Iron Man uses an abandoned scientific facility nearby to try and recreate his original armor.

During the Constitutional Convention, a proposal was made for the Supreme Court to be the only federal court, having both original jurisdiction and appellate jurisdiction.

During the original debate over the amendment Senator Jacob M. Howard of Michigan — the author of the Citizenship Clause — described the clause as having the same content, despite different wording, as the earlier Civil Rights Act of 1866, namely, that it excludes Native Americans who maintain their tribal ties and " persons born in the United States who are foreigners, aliens, who belong to the families of ambassadors or foreign ministers.

During the 18th century, British interest and enthusiasm for Iceland and early Scandinavian culture grew dramatically, expressed in English translations of Old Norse texts, and original poems which extolled the supposed " Viking virtues ".

During the class lectures, Lipscomb in the back of the classroom did research that he thought was original ( but he later found was not ): the preparation of hydrogen from sodium formate ( or sodium oxalate ) and sodium hydroxide.