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 later Neolithic ( 3300-2500 BC ) massive circular enclosures and the use of grooved ware and Unstan ware pottery emerge.

During the late Neolithic henge sites were constructed, single burials began to become more commonplace and by the Bronze Age it is possible that even where chambered cairns were still being built they had become the burial places of prominent individuals rather than of communities as a whole.

During prehistoric times there was a succession of cultures that flourished in the land of present-day Moldova from the end of the Ice age up through the Neolithic Age, the Copper Age, the Bronze Age, and the beginning of the Iron Age, when historical records begin to be made about the people who lived in these lands.

During the Neolithic period, human societies underwent major cultural and economic changes, including the development of agriculture, the formation of sedentary societies and fixed settlements, increasing population densities, and the use of pottery and more complex tools.

During this entire time stone remained in use in parallel with the metals for some objects, including those also used in the Neolithic, such as stone pottery.

During the Neolithic era, the territory of modern-day Austria was home to the Linear pottery culture, one of the first agrarian cultures in Europe.

During the Neolithic Ozieri civilization in Sardinia, ceramic ladles and spoons were already in use.

During the early 20th century, archaeological excavations conducted by the Italian Archaeological School and by the American Classical School on the Athenian Acropolis and on other sites within Attica revealed Neolithic dwellings, tools, pottery and skeletons from domesticated animals ( i. e. sheep, fish ).

During the transition to the Neolithic age, agriculture and cattle breeding became the core activities of a growing number of human communities.

During the construction of the bypass, archaeologists excavating along the route unearthed Neolithic, Bronze Age, Iron Age and Roman artefacts.

During the Neolithic period, large axes were made from flint nodules by chipping a rough shape, a so-called " rough-out ".

During the late Neolithic and early Bronze Age there were a number of pile dwellings and other settlements around the lakes of the canton.

During Neolithic times, the key known sources of nephrite jade in China for utilitarian and ceremonial jade items were the now depleted deposits in the Ningshao area in the Yangtze River Delta ( Liangzhu culture 3400 – 2250 BC ) and in an area of the Liaoning province and Inner Mongolia ( Hongshan culture 4700 – 2200 BC ).

During much of the Neolithic period, Newgrange continued as a focus of some ceremonial activity.

During the Late Neolithic, it appears that Newgrange was no longer being used by the local population, who did not leave any artefacts in the passage tomb or bury any of their dead there.

During the medieval period, Newgrange and the wider Brú na Bóinne Neolithic complex, gained various attributes in local folklore, which was often connected to figures from wider Irish mythology.

During the time of the Neolithic Revolution and domestication of animals, people learned how to use fire to create quicklime, plasters, and mortars.

During the Neolithic age, Bukovina was populated by the Cucuteni-Trypillian culture of early settlers ( 4500 BC – 3000 BC ), which was overrun around 2000 BC by the migration of Indo-Europeans.

During the Neolithic Revolution, which included agricultural advancements, groups of hunter-gatherers domesticated various plants and animals, permitting them to settle down and practice agriculture which provides more nutrition per hectare than hunting and gathering.

During the final phase of the Stone Age, the Neolithic period ( c. 4, 000-c. 2, 000 BC ), Hastings Hill, on the western outskirts of Sunderland, was a focal point of activity and a place of burial and ritual significance.

During the prehistoric Neolithic Era, the Dniester River was the centre of one of the most advanced civilizations on earth at the time.

During the Neolithic there was a growth of productive human settlements which concentrated on planting and domestication of animals, with the beginnings of a nascent religion.

During the Neolithic Period, like Mount Ślęża in Poland, and at least as far back as the 6th century BC the Wrekin was a holy place of the heathen tribes of the Celtic and later Germanic Saxon culture.