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 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 its flowering in the sixth to the eighth centuries, Mahayana offered a supernatural package to the Chinese which bears no resemblance to the highly digested philosophical Zen morsels offered to the modern Western reader.

During the last three centuries attempts have been made to sift away successively those gems which had no claim to be considered in any sense Gnostic, or specially Basilidian, or connected with Abrasax.

During the following centuries the monks from this monastery had an influencing effect on Portuguese culture.

During the 8th through the 9th centuries, many inhabitants of what is present-day Afghanistan and western Pakistan were converted to Sunni Islam.

During the 3rd and 4th centuries many ecclesiastics and monks wrote in Coptic.

During the past few centuries of detailed, scientific study of the Bronze Age, it has become clear that on the whole, the use of copper or bronze was only the most stable and therefore the most diagnostic part of a cluster of features marking the period.

During the post-Roman centuries of Germanic migration and settlement, the region afterwards included in the Diocese of Bamberg was inhabited for the most part by Slavs.

During the 17th and 18th centuries coin collecting remained a pursuit of the well-to-do.

During the 19th and 20th centuries, coin collecting increased further in popularity.

During the 19th and 20th centuries, Chinese philosophy integrated concepts from Western philosophy.

During the 11th through 14th centuries, a wave of building of cathedrals and smaller parish churches occurred across Western Europe.

During the 19th and early 20th centuries most monarchies maintained a mounted cavalry element in their royal or imperial guards.

When one society finds itself forced to relinquish power entirely to another society that in itself is a form of underdevelopment .... During the centuries of pre-colonial trade, some control over social political and economic life was retained in Africa, in spite of the disadvantageous commerce with Europeans.

During the late 19th and early 20th centuries, just the opposite was the case with little to no population concentration in major industrial centres as the predominantly rural resource-dependent Maritime economy continued on the same path as it had since European settlement on the region's shores.

During the 19th and 20th centuries, materialistic monism has became the norm.

During the XII and XIII centuries many encyclopedic works have been written. Among them De proprietatibus rerum by Bartholomeus Anglicus ' ( 1240 ) was the most widely read and quoted encyclopedia in the High Middle Ages while Vincent of Beauvais's Speculum Majus ( 1260 ) was the most ambitious encyclopedia in the late-medieval period at over 3 million words.

During the 17th and 18th centuries, Easter Island experienced severe erosion due to deforestation and unsustainable agricultural practices.

During the 18th and 19th centuries Emsworth was still a busy little port.

During the 13th and 14th centuries, the Mongols relied heavily on espionage in their conquests in Asia and Europe.

During the 19th and 20th centuries, it became increasingly commonplace to refer to the Dutch-speaking part of Belgium as " Flanders ".

During the 18th and 19th centuries, French cuisine assimilated many new food items from the New World.

During the next two centuries, Europeans started planting lawns and raising flowerbeds and trellises of roses.

During the 9th century BC the Assyrians began to reassert themselves against the incursions of the Aramaeans, and over the next few centuries developed into a powerful and well-organised empire.