During the 1970s and 1990s, there was an epistemological shift away from the positivist traditions that had largely informed the discipline.

During the post-World War I period ski-lifts were built in Swiss and Austrian towns to accommodate winter visitors, but summer tourism continued to be important ; by the mid-20th century the popularity of downhill skiing increased greatly as it became more accessible and in the 1970s several new villages were built in France devoted almost exclusively to skiing, such a Les Menuires.

During the 1960s and 1970s, the city gained a reputation as a center for liberal politics.

During the 1960s and 1970s, the city gained a reputation as an important center for liberal politics.

During much of the 1970s Roma's appearance in the top half of Serie A was sporadic.

During their heyday from the late 1970s to the mid-1990s, most BBSes were run as a hobby free of charge by the system operator ( or " SysOp "), while other BBSes charged their users a subscription fee for access, or were operated by a business as a means of supporting their customers.

During the 1970s the Air Force was at the apogee of its power, possessing at least 500 modern combat aircraft in its inventory.

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 Orioles ' heyday in the 1970s, a club song, appropriately titled " Orioles Magic ", was composed, and played when the team ran out until Opening Day of 2008.

During the late 1970s and early 1980s, the site hosted Creative Time's landmark Art on the Beach sculpture exhibitions.

During the 1970s, he made guest-appearances on TV series such as Ironside, Insight, Barbary Coast, The Love Boat, Medical Center, four episodes of Love, American Style, Fantasy Island, and two episodes each of The Streets of San Francisco, and Rod Serling's Night Gallery.

" During the 1970s, widely different methods began to be seen as part of a new emerging discipline of computational chemistry.

During the 1970s the " small press " culture grew and diversified.

During the 1970s and 1980s it was also used to test the ability of containers of radioactive material to withstand impacts and other accidents.

During the 1970s and 1980s, the Bengals were a perennial playoff contender and they won AFC championships in and, but lost Super Bowls XVI and XXIII to the San Francisco 49ers.

During the 1960s and 1970s, the CPC experienced a significant ideological breakdown with the Communist Party of the Soviet Union under Nikita Khrushchev, and later, Leonid Brezhnev.

During the 1970s the relative number of communists in Republics of the Soviet Union was as follows:

During the 1970s, a growing number of Canadian stations pushed American channels off the systems, forcing several to expand beyond the original 12-channel system configurations.

During the 1970s producers started to reduce the quantity of white grapes in Chianti.

During the 1970s, modern dramatic directors made some of their first films.

During the Portuguese Colonial War in the 1960s and the 1970s, the Portuguese Army created an experimental horse platoon, to combat the guerrillas in eastern Angola.

During the late 1970s he acquired a large public audience as a critic of the then Labour government's disregard of civil liberties ; his writings from this time are collected in Writing By Candlelight ( 1980 ).

During the 1950s, 1960s and 1970s, several events occurred which raised the public awareness of harm to the environment caused by man.

During the 1960s and 1970s hundreds of fossils were found, particularly in East Africa in the regions of the Olduvai gorge and Lake Turkana.

During the 1970s and ' 80s, Cassandra B. Whyte did significant educational research studying locus of control as related to the academic achievement of students pursuing higher education coursework.

During the course of filming the series in 1969 Le Mesurier was flown to Venice over a series of weekends for filming Midas Run, an Alf Kjellin-directed crime film that also starred Richard Crenna, Anne Heywood and Fred Astaire.

During the 9th season ( September 1949-June 1950 ) Marjorie meets and marries ( May 10 ) Walter " Bronco " Thompson ( Richard Crenna ), star football player at the local college.

During a particularly intense Florida heatwave, Ned Racine ( William Hurt ), an inept and somewhat sleazy lawyer, begins an affair with Matty ( Kathleen Turner ), wife of Edmund Walker ( Richard Crenna ), a wealthy businessman.

During all this time Roy continued to paint, first only on weekends, and then, as the family business permitted, for longer periods.

During 1990, the Lynx had moderate sales but Nintendo's Game Boy continued to gain market share.

During the 1990s, research continued.

During the Ottoman period, Bursa continued to be the source of most royal silk products.

During this time, urban Cairo, spurred by new bridges and transport links, continued to expand to include the upscale neighborhoods of Garden City, Zamalek, and Heliopolis.

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 a pause in operations necessitated by the Spring Offensive in 1918 on the Western Front joint infantry and mounted infantry attacks towards Amman and Es Salt resulted in retreats back to the Jordan Valley which continued to be occupied by mounted divisions during the summer of 1918.

During his presidency in Taiwan, Chiang continued to prepare to take back mainland China.

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 time from 1859 British clipper ships continued to be built.

During the late 1950s and early 1960s Brubeck canceled several concerts because the club owners or hall managers continued to resist the idea of an integrated band on their stages.

During the early 1990s, the Compact Disc surpassed the gramophone record in popularity, but gramophone records continued to be made ( although in very limited quantities ) into the 21st century — particularly for club DJs and for local acts recording on small regional labels.

During this period, Parton's visibility continued to increase, with television appearances in 1977, 1978 and 1979.

During the Danish-Norwegian personal union, Dannebrog (" Danish cloth ") was also the flag of Norway and continued to be, with slight modifications, until Norway adopted its current flag in 1821.

During the next three years, she continued her battle to qualify by studying privately with various professors, including some at the University of St Andrews, the Edinburgh Royal Maternity and the London Hospital Medical School.

During his imprisonment, he continued developing his mathematical ideas.

During this time, Cleveland lived simply in a boarding house ; although his income grew sufficient to support a more lavish lifestyle, Cleveland continued to support his mother and younger sisters.

During this period of breakdown, Glorantha continued to evolve.

During the last years of the Russian Empire, in the early 20th century, many authors continued to write in the gothic fiction genre, including historian and historical fiction writer Alexander Valentinovich Amfiteatrov, Leonid Nikolaievich Andreyev, who developed psychological characterization, symbolist Valery Yakovlevich Bryusov, Alexander Grin, Anton Pavlovich Chekhov and Aleksandr Ivanovich Kuprin.

During this struggle, commerce continued and the United Provinces prospered.

During their occupation of Britain the Romans built an extensive network of roads which continued to be used in later centuries and many are still followed today.

During this time, the Ottoman Army continued to press upon a reluctant Navy a plan for the re-occupation of Tenedos, which the Greek destroyers used as a base, by an amphibious operation.

During this time he continued growing and selling fresh produce.

During this period IALA continued to develop models and conducted polling to determine the optimal form of the final language.