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 this period, which has become known as baseball's dead-ball era, Cub infielders Joe Tinker, Johnny Evers, and Frank Chance were made famous as a double-play combination by Franklin P. Adams ' poem Baseball's Sad Lexicon.

During the same year, he directed Hell-Bent for Election, a campaign film for Franklin D. Roosevelt.

" During this time American President Franklin D. Roosevelt also referred to the German people in this way, saying that an Allied invasion into the South of France would surely " be successful and of great assistance to Eisenhower in driving the Huns from France.

During the Hughes, Stone, and Vinson Courts ( 1930 – 1953 ), the Court gained its own accommodation in 1935 and changed its interpretation of the Constitution, giving a broader reading to the powers of the federal government to facilitate President Franklin Roosevelt's New Deal ( most prominently West Coast Hotel Co. v. Parrish, Wickard v. Filburn, United States v. Darby and United States v. Butler ).

During the final stages of World War II the future of Europe was decided between the Allies in the 1945 Yalta Conference, between the British Prime Minister Winston Churchill, U. S. President Franklin D. Roosevelt, and the Premier of the Soviet Union, Joseph Stalin.

During the early 1950s, while Watson and Crick were determining the structure of deoxyribonucleic acid ( DNA ), they made use of unpublished X-ray diffraction images taken by Rosalind Franklin, shown at meetings and shared with them by Maurice Wilkins, and of Franklin's preliminary account of her detailed analysis of the X-ray images included in an unpublished 1952 progress report for the King's College laboratory of Sir John Randall.

* During the first two years of this act being in effect there was no Vice President, because Harry S. Truman had become President upon Franklin D. Roosevelt's death in 1945.

During President Franklin D. Roosevelt's first 100 days in office in 1933, governmental programs designed to conserve soil and restore the ecological balance of the nation were implemented.

During World War II most of Franklin County was used by the U. S. military for jungle training.

During the 1870s and much of the 1880s, he lived with his model-mistress Maud Franklin.

During this era, de Haviland was also notable as a staunch liberal, campaigning for Franklin D. Roosevelt and Harry Truman.

During this period he also directed the pro-Soviet propaganda film Mission to Moscow ( 1943 ), which was commissioned at the request of president Franklin D. Roosevelt in order to aid the wartime effort.

During 1952, Rosalind Franklin and Raymond Gosling worked at applying the Patterson function to the X-ray pictures of DNA they had produced.

During Prohibition, local wits named Franklin County the " Moonshine Capital of the World ", a name used today by the local chamber of commerce as a historic identification.

During the Civil War, Williamson County saw three battles: the Battle of Brentwood, the Battle of Thompson's Station, and one of the bloodiest battles in the war, the Battle of Franklin.

During the Great Depression, Witt purchased municipal bonds for ten cents on the dollar, confident that the bonds would be redeemable under President Franklin D. Roosevelt's Reconstruction Finance Corporation.

During the American Civil War, Confederate forces under Generals Richard Taylor and Henry Sibley withdrew from Franklin and on April 14, 1862, reached Jeanerette, twelve miles ( 19 km ) south of New Iberia.

During the Civil War, the Battle of Irish Bend, also known as Neeson's Woods, was fought near Franklin on April 14, 1863.

During the early hours of the next morning, Randy drives to Orlando Municipal Airport to meet his sister-in-law ( Helen ) and her young son and daughter ( Ben Franklin and Peyton ) arriving from Omaha.

During the American Revolution, Benjamin Franklin twice encamped there traveling to and from Canada as an emissary of the Continental Congress in an unsuccessful attempt to have Canada join the Colonies in the revolution.

During the interregnum of despair between Franklin Roosevelt's election and his inauguration, the only bank in North Bend, the First National, was forced to temporarily close its doors, precipitating a cash-flow crisis for the City of North Bend.

During the early 1870s, Franklin Gowen, President of the Reading Railroad, had begun purchasing coal lands along the Railroad's right-of-way for the express purpose of building an anthracite coal monopoly.

During the 1940s, presidents Franklin D. Roosevelt and Harry S. Truman both visited Bremerton.

During his time at Franklin College he was a member of the Demosthenian Literary Society, which honors him as one of its most legendary alumni to this day.