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 mid-1970s, Canon started working on similar machines, and partnered with Hewlett-Packard to produce 1980's HP 2680, which filled only part of a room.

During the 1980's a number of mainstream Israeli politicians referred to policies of transferring the Palestinian population out of the territories leading to Palestinian fears that Israel planned to evict them.

During the 1960s to mid 1980's Border Patrol vehicles were painted a light green.

During the 1980's troops were issued with one 50-round magazine as well.

During the late 1980's Mindsape was unique in the software entertainment arena by establishing a global network.

During the 1980's at Jacarepaguá most of the races were held in hot temperatures and were from a physical standpoint extremely brutal ; most drivers who won the race on the very demanding circuit at Rio often finished in a state of exhaustion.

During the 1980's these devices rapidly replaced Guard's at the rear of most freight services and came to be nicknamed as a ' BOG ' or ' Battery Operated Guard '

During the 1980's Britannia operated 737-200 G-BGYL, named Jean Batten.

During the 1980's, most research focused on cold dark matter with critical density in matter, around 95 % CDM and 5 % baryons: these showed success at forming galaxies and clusters of galaxies, but problems remained: notably the model required a Hubble constant lower than preferred by observations, and the model under-predicted observed large-scale galaxy clustering.

During the 1980's, Greek Television had Karagiozis shows on a weekly basis.

Image: LeRoy01. jpg | A rare obsoleted watch branded " LeRoy " manufactured by Baume-et-Mercier During 1980's

During the 1970s through the mid 1980's, WSBK's cartoon programs were hosted by Willie Whistle, a clown who used a bird-whistle in his mouth to create a distinctive voice he was recognized for.

During the late 1970s and 1980's, the palm garden, the wetland forest, and sand scrub beds were planted.

During the 1980's Tosh was at St Mary's College Crosby, Merseyide where he was Games Master.

During the early 1980's the steep banks on the south side of the castle were planted with over four hundred specimens.

During the transition from systems based on custom-made CPU's to CPU's made by Intel and Motorola, prices for these systems dropped dramatically, but without an offsetting increase in demand, and eventually companies such as PCC ( Scan-Optics ) slowly dwindled away to small remnants ( if any ) of their peak days in the mid 1980's.

During the 1980's, New York endured the model wars.