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 delay caused by this detour, two other British ships joined the battle: Theseus, which had been disguised as a first-rate ship, followed Foley's track across Guerrier < nowiki >'</ nowiki > s bow.

During the 1992 Barcelona and 1996 Atlanta Opening Ceremonies, Costas ' remarks on China's teams ' possible drug use caused an uproar among the American Chinese and international communities.

Stjepan Radić During a Parliament session in 1928, the Croatian Peasant Party's leader Stjepan Radić was mortally wounded by Puniša Račić, a deputy of the Serbian Radical People's Party, which caused further upsets among the Croatian elite.

During the Great Purge mass arrests caused another increase in inmate numbers.

During ascent, the external tank of the Space Shuttle Discovery sheds a piece of foam slightly smaller than the piece that caused the Space Shuttle Columbia disaster ; this foam does not strike the spacecraft.

During the 12-issue limited series Crisis on Infinite Earths, Luthor allies himself with fellow Superman foe Brainiac to recruit an army of supervillains spanning the DC multiverse, intending to take advantage of the confusion caused by the Crisis.

During the 2000 PBS documentary The Commanding Heights ( based on the book ), Friedman continued to argue that criticism over his role in Chile missed his main contention that freer markets resulted in freer people, and that Chile's unfree economy had caused the military government.

During the reigns of Umar ( 634-44 CE ) and Uthman ibn Affan ( 644 – 56 ) concerns of flooding caused the caliphs to bring in Christian engineers to build barrages in the low-lying quarters and construct dykes and embankments to protect the area round the Kaaba.

During the 1960s radiation biologist Tikvah Alper and mathematician John Stanley Griffith developed the hypothesis that some transmissible spongiform encephalopathies are caused by an infectious agent consisting solely of proteins.

During World War II, penicillin made a major difference in the number of deaths and amputations caused by infected wounds among Allied forces, saving an estimated 12 %– 15 % of lives.

During Alfonso II's reign a series of Muslim raids caused the transfer of Asturian capital to Oviedo.

During the 1970s it was realized that gravitational time dilation caused the second produced by each atomic clock to differ depending on its altitude.

During Star Trek Generations, the Enterprise was lost in 2371 after an attack by a renegade Klingon Bird-of-Prey ( commanded by the Duras sisters ) caused extensive damage, leading to a warp core breach.

During WWII, the FBI investigated 19, 649 cases of sabotage and concluded the enemy had not caused any of them.

During 2006, Tanzania suffered a crippling series of " load-shedding " or power-rationing episodes caused by a shortfall of generated power, largely because of insufficient hydro-electric generation.

During the Sengoku period, it had become common for peasants to become warriors, or for samurai to farm due to the constant uncertainty caused by the lack of centralized government and always tentative peace.

During the time her daughter is with Hades, Demeter became depressed and caused winter.

During a training exercise with a cadet, a trainee pilot caused a flap to break off the plane, causing it to spin out of control.

During the 1980s, a phenomenon known as microburst became a growing concern due to aircraft accidents caused by microburst wind shear, such as Delta Air Lines Flight 191.

During a meeting with parents of babies that had been born with deformities caused by the drug thalidomide, he was unsympathetic to the victims, refusing to meet any babies deformed by the drug and saying that " anyone who took so much as an aspirin put himself at risk.

During the inter-war period, budget cuts to the U. S. Army caused by the Great Depression resulted in a significant decline of available funding for tank development.

During the Yugoslav wars of the 1990s, the breakup of Yugoslavia caused large population transfers, mostly involuntary.

During this time, the women and children could hear the sounds of suffering from inside the gas chamber, and they became well aware of the fate that awaited them, which naturally caused panic and distress, and involuntary defecation.

During the assault on St. Nazaire, he was responsible for the explosions that caused a great number of casualties in the German garrison and rendered the installations useless.