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.

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.