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 Qing Dynasty many philosophers objected against Neo-Confucianism and there was a return to the Han Dynasty Confucianism, and also the reprise of the controversy between Old Text and New Text.

During the Qing Dynasty, Shanghai became one of the most important sea ports in the Yangtze Delta region as a result of two important central government policy changes: First, Emperor Kangxi ( 1662 – 1723 ) in 1684 reversed the previous Ming Dynasty prohibition on ocean going vessels – a ban that had been in force since 1525.

During the 1950s and 1960s, Shanghai became an industrial center and center for radical leftism ; the leftist Jiang Qing and her three cohorts, together the Gang of Four, were based in the city.

During the mid-1830s, trade with China was becoming more difficult due to the Qing government's increasing restrictions on the narcotic trade in part to control the worsening outflow of silver.

During the Qing dynasty, criminal justice was based on extremely detailed Great Qing Legal Code.

During the Russian Civil War, the Soviet Red Army troops took Tuva in January 1920, which was also part of the Qing Empire of China and a protectorate of Imperial Russia.

During the trial, Jiang Qing in particular was extremely defiant, protesting loudly and bursting into tears at some points.

During the late Qing dynasty, Shaoxing was famous as the home of families such as Zhou's, whose members worked as government " clerks " ( shiye ) generation after generation.

During the Qing Dynasty's two-century rule over Taiwan, the population of Han on the island increased dramatically.

During the Western Han Dynasty, Emperor Wu sent the general Wei Qing to reconquer the Hetao region from the Xiongnu in 127 BC.

During its reign the Qing Dynasty became highly integrated with Chinese culture.

During the Yuan and Qing dynasties China was ruled by ethnic Mongols and Manchus respectively after being conquered by them.

During the Ming and Qing Dynasties, emperors simply chose one era name for their entire reign, and people often referred to past emperors with that title.

During the Qing Dynasty ( 1644 – 1911 ), for example, imperial convention dictated that at any given time there should be one Empress, one Huang Guifei, two Guifei, four fei and six pin, plus an unlimited number of other consorts and concubines.

During the 200 years of Qing dynasty's rule of Taiwan, Min Nan people who migrated to Taiwan began to increase rapidly.

During her public trials at the " Special Court ", Jiang Qing was the only member of the Gang of Four who bothered to argue on her behalf.

During the summit between Japanese and Qing representatives in March and April 1895, Prime Minister Hirobumi Ito and Foreign Minister Munemitsu Mutsu were serious about reducing the power of Qing Dynasty on not only Korean Peninsula but also Taiwan islands.

During the late Qing Dynasty, the dragon was even adopted as the national flag.

During the Qing Dynasty, the northern borders of Zhili extended deep into what is now Inner Mongolia, and overlapped in jurisdiction with the leagues of Inner Mongolia.

During the Qing Dynasty, sacrifice of slaves was banned by the Kangxi Emperor in 1673.

During the Qing Dynasty ( 1644 – 1911 ), Shanxi extended northwards beyond the Great Wall to include parts of Inner Mongolia, including what is now the city of Hohhot, and overlapped with the jurisdiction of the Eight Banners and the Guihua Tümed banner in that area.

During the Qing Dynasty rebellion around 1888 Sun was in Hong Kong with a group of revolutionary thinkers that were nicknamed the Four Bandits at the Hong Kong College of Medicine for Chinese.

During the 1911 Xinhai Revolution, Kung mobilized forces in support of Yan Xishan, helping Yan to overthrow the authority of the Qing government in Shanxi.