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, the original art for a Sunday strip was usually drawn quite large.

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 the decade that followed, the common man, as that piece put it, grew uncomfortable as the Voice of God and fled from behind Saint Woodrow ( Wilson ) only to learn from Science, to his shocked relief that after all there was no God he had to speak for and that he was just an animal anyhow -- that there was a chemical formula for him, and that too much couldn't be expected of him.

During the 1920's the Abstractionists, the German Bauhaus group of industrial designers, and the new architects all had the dream of some well ordered utopia, or welfare state, in which their neat and logical constructions might find their proper place.

And, he added: `` During the many months in prison camp, all abstract images vanished from my mind ''.

During the rest of the summer my scholarly mania for making plaster casts and spatter prints of Catskill flowers and leaves was all but surpassed by the constantly renewed impressions of Jessica that my mind served up to me for contemplation and delight.

During all this time Roy continued to paint, first only on weekends, and then, as the family business permitted, for longer periods.

During all his busy life he had only done things which had to be done.

During the nineteenth century these views were protested by virtually all the Latin American writers, though ineffectively, just as the new nations of Africa and Asia protest them, with more effect, today.

During the Tsarist times, the Ainu living in Russia were forbidden from identifying themselves as such, since the Imperial Japanese officials had claimed that all the regions inhabited by the Ainu in the past or present, are a part of Japan.

During his three years in this office, he " moved resolutely to eradicate all pro-Confederate influences in the state.

During the lifetime of Muhammad, he was involved in several campaigns such as the Battle of Uhud, the Battle of the Trench, the Invasion of Banu Qurayza, Battle of Khaybar, the Conquest of Mecca, the Battle of Hunayn, the Siege of Ta ' if, and the Battle of Tabuk where he was reported to have given all of his wealth for the preparation of this expedition.

During this time he ate shellfish, and scanned the ocean daily for rescue, suffering all the while from loneliness, misery and remorse.

During the Renaissance, artists and mathematicians valued pure forms and rediscovered all of these forms.

During a large revolt, dissidents marched on Córdoba itself ; However, Abd al-Rahman always managed to stay one step ahead, and crushed all opposition ; as he always dealt severely with dissidence in al-Andalus.

During the summer months ( April – September ), dogs are banned from the Silver Sands but they are allowed all year round at the Black Sands.

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

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 this period, all the war's major combatants developed mechanised force theories.

During his highschool days in Galatasaray High School ( and later in Şişli Terakki High School ) he formed his first band, Kafadarlar (" The Buddies "), allegedly upon seeing Erkin Koray's band performing, all students of Deutsche Schule Istanbul ( İstanbul Alman Lisesi ), a nearby highschool.

During the drafting of the Indian Constitution, laws from Ireland, the United States, Britain, and France were all synthesized to get a refined set of Indian laws, as it currently stands.

During his rule, members of Yakoma were granted all key positions in the administration and made up a majority of the military.

During this brief era, when China was in all respects a multi-state system, five regimes rapidly succeeded one another in control of the old Imperial heartland in northern China.

During the era after the war, later called the Pax Mongolica, adventurous Westerners such as Marco Polo travelled all the way to China and brought the first reports of its wonders to Europe.

During June, the Rockies led all of major league baseball with 151 total runs.

During the speech a directive went out to all US forces worldwide placing them on DEFCON 3.