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 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 the 1980s and 1990s, she became one of the first CCM artists to cross over into mainstream pop on the heels of her successful albums Unguarded and Heart in Motion, the latter of which included the No. 1 single " Baby Baby ".

During this period, the band teamed up with producer Mark Cunningham on the first-ever BBC Children In Need single, a cover of David Bowie's " Heroes ", released in 1986 under the name of The County Line.

During the year, the duo adopted the name Coldcut and set up a record label called Ahead of Our Time to release the single " Beats + Pieces " ( one of the formats also included " That Greedy Beat ").

During World War II, and for nearly a decade after the war, most milk in Britain was used for the making of one single kind of cheese nicknamed " Government Cheddar " as part of war economies and rationing.

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 the event, the video for a fundraising single was premièred, Bowie's duet with Mick Jagger.

During this period, he heard Sugar Hill Gang's newly-released single " Rapper's Delight ," which inspired him to perform his own raps over the instrumentals of this and other early hip-hop records.

During the Yugoslav Wars, nearly every single nation that had ties with Serbia, had broken off diplomacy for the wars in Yugoslavia, and the rule of Slobodan Milošević.

During the 1981 Ashes, Botham set a record of six sixes in a single Ashes Test Match at Old Trafford.

During the Muromachi age ( 1392 – 1573 AD ), the Kosode, a single kimono formerly considered underwear, began to be worn without the hakama ( trousers, divided skirt ) over it, and thus began to be held closed by an obi " belt ".

During his rule, a big wooden house was built out of one single tree which was called ' Kasthamandapa ', from which the name of the capital, ' Kathmandu ', is derived.

During this period in their history, standout players included defensive end Michael Strahan, who set the NFL single season record in sacks in 2001, and running back Tiki Barber, who set a team record for rushing yards in a season in 2005.

During the Permian, all the Earth's major land masses were collected into a single supercontinent known as Pangaea.

During the period covered, continents drifted about, eventually collecting into a single landmass known as Pangaea and then splitting up into the current continental landmasses.

During this time, there was a high incidence of Gemina ( twin ) legions, where two legions were consolidated into a single organization ( and was later made official and put under a dux and six duces ).

During the first part of the 20th century, the only casino towns of note were Monte Carlo with the traditional single zero French wheel, and Las Vegas with the American double zero wheel.

During the Ice Ages, the British Isles were another single peninsula extending from the body of the continent.

During the early Middle Ages scholars known as the Masoretes created a single formalized system of vocalization.

The single " Life During Wartime " produced the catchphrase, " This ain't no party, this ain't no disco.

During this period they recorded the single " Tears Me in Two " and the Love Will Grow-Rosebud Volume 1 EP both produced by Rob Younger of the Radio Birdman.

During a shower, a multitude of meteors arrive from the same direction, and, from the perspective of an observer, their glowing trails appear to radiate from a single point in space.

During this period, the Redskins went without a single winning season between 1956 and 1968.

During their first year, students study and discuss an integrated case that focuses on a single company and is incorporated into several core courses.