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 his administration, unemployment has risen to over 20 %.

John Major wrote in his auto-biography that, " During my premiership interest rates fell from 14 % to 6 %; unemployment was at 1. 75 million when I took office, and at 1. 6 million and falling upon my departure ; and the government's annual borrowing rose from £ 0. 5 billion to nearly £ 46 billion at its peak before falling to £ 1 billion ".

During the Reagan administration, the American economy went from a GDP growth of-0. 3 % in 1980 to 4. 1 % in 1988 ( in constant 2005 dollars ), which reduced the unemployment rate by 1. 6 %, from 7. 1 % in 1980 to 5. 5 % in 1988, but with peaks of around 10. 8 % in 1983.

During the period October 2007-October 2008 Spain had its unemployment rate climbing 37 %, exceeding the unemployment surge of past economic crises like 1993.

During periods of recession, an economy usually experiences a relatively high unemployment rate.

During Putin's first premiership and presidency ( 1999 – 2008 ), real incomes increased by a factor of 2. 5, real wages more than tripled ; unemployment and poverty more than halved and the Russians ' self-assessed life satisfaction rose significantly.

During the Seventies West Germany was able to weather the global financial storm far better than almost all the other developed countries, with unemployment and inflation kept at comparatively low levels.

During the 1976 election campaign, the SPD / FDP coalition was able to win the battle of statistics, whether the figures related to employee ’ s incomes, strikes, unemployment, growth, or public sector debts.

During the second half of 1994, the economy slowed down and unemployment increased from 10 % to 12. 2 %.

During his term, with the help of a favorable economic situation, unemployment fell by 900, 000.

During German occupation ( 1914-1918 ), Częstochowa was cut off from its traditional Russian markets, which resulted in widespread poverty and unemployment.

During the Great Depression, wages decreased and unemployment increased.

During the crisis, the cigar industry ensured that unemployment was not very large, although the living then in Eersel was reasonable poverty.

During the Second World War, high unemployment in Copenhagen led authorities to drain a large part of the sea, west of the island, and build a dam to hold out the water, effectively adding one half of Amager's previous area to the island.

During the AFL's early history, when the federation remained as apolitical as possible, state feds were the legislative dynamos — lobbying for workers ' compensation, unemployment insurance, child labor laws and the minimum wage.

During his work, Sowell discovered an association between the rise of mandated minimum wages for workers in the sugar industry of Puerto Rico and the rise of unemployment in that industry.

During his teenage years he joined the Young People's Socialist League ( YPSL ), then the youth affiliate of the Socialist Party of America, and became a major leader of the national student movements of the day, which organized against fascism, war, and unemployment.

During this period, Mangum was wandering the country, staying in the closets of friends, and in a state of perpetual unemployment.

During the Depression, Schlafly's father went into long-term unemployment, and her mother entered the labor market.

During the Johnson administration, Crown Heights was declared a primary poverty area due to a high unemployment rate, high juvenile and adult crime rate, poor nutrition for lack of family income, relative absence of job skills and readiness to work, and a relatively high concentration of elderly residents.

During these years of unemployment and depression, anti-Chinese sentiment built around the country, fueled by demagogues such as Denis Kearney of San Francisco, who would rail in front of crowds that " To an American, death is preferable to life on a par with the Chinese.

During the early years, the unemployment rate is thought to have been lower due to many of those claiming unemployment working in the grey ( informal ) economy, although this can account for no more than 5 % of the unemployment rate.