During the 20th century BC the Indo-European Hittites entered the region and gradually established a great empire which was destroyed by invaders in the 12th century.

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 turn of the 20th century British Israelites carried out some excavations of the Hill of Tara in Ireland looking for the Ark of the Covenant – the Royal Society of Antiquaries of Ireland campaigned successfully to have them stopped before they destroyed the hill.

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 20th century communications used flags, morse code by radio, line and lights, voice and teleprinter by line.

During the 20th century the Plateau tribes, such as the Nez Perce perfected contour-style beadwork, in which the lines of beads are stitch to emphasize the pictorial imagery.

During the 20th century White Notes were issued in denominations between £ 5 and £ 1000.

During the early 20th century in America, gambling became outlawed and banned by state legislation and social reformers of the time.

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

During the early 20th century, comic strips were widely associated with publisher William Randolph Hearst, whose papers had the largest circulation of strips in the United States.

During the early 20th century, a Caltech committee visited several universities and decided to transform the undergraduate housing system from regular fraternities to a house system.

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

During the early 20th century, two major publications successfully applied the principles developed by Gibbs to chemical processes, and thus established the foundation of the science of chemical thermodynamics.

During the 20th century, the church grew substantially and became an international organization.

During the middle of the 20th century the French reluctantly began to accede to reasonable requests, and in 1946 Comoros had become a separately administered colony from Madagascar.

During the 20th century, this trend continued with more modern and powerful revolver cartridges, in the form of Winchester and Marlin lever action carbines chambered in. 38 Special /. 357 Magnum and. 44 Special /. 44 Magnum.

During the late 19th and early 20th century mail was used as a material for bulletproof vests, most notably by the Wilkinson Sword Company.

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

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 first half of the 20th century, these opposing factions among the Christian Churches coexisted but with growing discomfort and tension.

During the 20th century Italian universities introduced more advanced research degrees, such as the Ph. D., and now that it is part of the E. U. Bologna Process, a new three-year first degree, or “ laurea ” ( equivalent to a B. A.

During the 19th and early 20th century, many smaller or less developed languages saw their first encyclopedias, using French, German, and English role models.

During the early 20th century, the rhymed epigram couplet form developed into a fixed verse image form, with an integral title as the third line.

During the early 4th Century, Saint Augustine restates the closely related liar paradox in Against the Academicians ( III. 13. 29 ), but without mentioning Epimenides.

During the war, Time magazine named Stalin Time Person of the Year twice and he was also one of the nominees for Time Person of the Century title.

During the mid-14th Century, it was forbidden that persons who had sat on the Presenting Jury ( i. e., in modern parlance, the Grand Jury ) to sit on the trial jury for that crime.

During the 17th Century there was the Acadian Civil War ( 1640-45 ).

During 1998 and 1999, forty BBC local radio stations recorded personal oral histories from a broad cross-section of the population for the series The Century Speaks.

During the reign of Pepin the Short, in the 8th Century, Othmar founded the Carolingian style Abbey of St. Gall, where arts, letters and sciences flourished.

During the late 19th Century there was tension between the " Biblical Unitarianism " of Robert Spears and Samuel Sharpe and those such as James Martineau as Unitarians began to move away from belief in scripture.

During the early 20th Century, a number of geochemists produced work that began to popularise the field, including Frank Wigglesworth Clarke who had begun to investigate the abundances of various elements within the Earth and how the quantities were related to atomic weight.

During the 19th Century, non-industrial cultures with little access to guns were still using war shields.

During the Crisis of the Third Century, when trade declined precipitously, Leptis Magna's importance also fell into a decline, and by the middle of the fourth century, large parts of the city had been abandoned.

During pre-production, MGM had announced that Jean Harlow, who was under contract to that studio, would be loaned to 20th Century Fox to star in the role Belle Fawcett.

During the first half of the 18th Century, Hydra built the same kind of vessels as were built in the other Aegean Islands.

During the 18th Century, the Perry County area, like the rest of the future State of Missouri, was part of Louisiana.

During the first half of the 20th Century, the Rand Mining District was the principal gold producing region of California.

During the 20th Century, Jackson grew and industrial textile mills became the largest employer of local citizens.

During the last half of the 19th Century, East Central Indiana consisted mostly of rural farming communities, including Hartford City.

During the 19th Century, there were at least two race tracks for horses near Montpelier.

During Holland's ' Golden Age ' ( or ' Golden Century '), Hoorn was an important home base for the Dutch East India Company ( VOC ) and a very prosperous centre of trade.

During the 20th Century African-American Civil Rights Movement, Fannie Lou Hamer, a farmworker, started a movement for poor people.

During the 18th Century, three patents spanned the town: Godfrey Miller Patent, John Bowers Patent, and the Long Patent.

During the first half of the 20th Century, Brentwood was home to the Ross Health Resort Onehtah.

From 2000, she has continued to edit most of the highest-profile Vertigo titles, including almost all of Mike Carey's Lucifer ( with Mariah Huehner ) and the entirety of Ed Brubaker's Deadenders, Howard Chaykin & David Tischman's American Century, Jonathan Vankin's The Witching, Si Spencer's Books of Magick: Life During Wartime, Steven T. Seagle and Kelley Jones ' The Crusades and Bill Willingham's Fables ( to date ).

During the peak years of American passenger railroading, several all-Pullman trains existed, including the 20th Century Limited on the New York Central Railroad, the Broadway Limited on the Pennsylvania Railroad, the Panama Limited on the Illinois Central Railroad, and the Super Chief on the Atchison, Topeka and Santa Fe Railway.

During the 1960s, he completed eight more including The Galvanized Yankees, which Brown described as requiring more research than any of his other books, and The Year of the Century: 1876, which he described as his personal favorite.