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 winter of 2010 / 11, which was quite severe compared to those of the last decades, the maximum ice cover was 315 000 km < sup > 2 </ sup >, which was reached on 25 February 2011.

During the Cold War dog tags were issued to everyone, often soon after birth, since the threat of total war also meant the risk of severe civilian casualties.

During the 17th and 18th centuries, Easter Island experienced severe erosion due to deforestation and unsustainable agricultural practices.

During these wars the Finns suffered 90, 000 casualties and inflicted severe casualties on the Russians ( 120, 000 dead in the Winter War and 200, 000 in the Continuation War ) compared to other nations such as Poland.

During the last three weeks of shooting, Fellini experienced the first signs of severe clinical depression.

During 1975, two years after the military coup that ended the government of Salvador Allende, the economy of Chile experienced a severe crisis.

* 1971 – During a severe thunderstorm over Washington state, a hijacker calling himself Dan Cooper ( AKA D. B. Cooper ) parachutes from a Northwest Orient Airlines plane with $ 200, 000 in ransom money.

During what is known as the Little Ice Age, Innocent VIII, in his papal bull Summis desiderantes ( 5 December 1484 ) instigated severe measures against magicians and witches in Germany.

** West Ice accidents: During a severe storm in the West Ice, east of Greenland, 78 seal hunters on 5 Norwegian seal hunting vessels perish without a trace.

** During a severe thunderstorm over Washington, a man calling himself D. B. Cooper parachutes from the Northwest Orient Airlines plane he hijacked, with US $ 200, 000 in ransom money, and is never seen again ( as of March 2008, this case remains the only unsolved skyjacking in history ).

During the decisive battle before the walls he suffers a severe defeat, and only the heavy loss of Visigoths makes king Theodoric I decide to agree to a provisional restoration of the status quo.

During the Second World War Milan suffered severe damage from British and American bombings.

** During this year's Atlantic hurricane season, probably the most severe of the pre-1600 seasons, at least eight intense hurricanes occur.

During the travel south, however, Otto III suffered a sudden and severe fever.

During this phase, organ dysfunction and severe bleeding, typically from the gastrointestinal tract, may occur.

During religious conflict in 16th and 17th century Ireland severe legal penalties were prescribed against practicing Roman Catholics.

During the summer of 2006, a severe drought caused the Iguazu River to become diminished, reducing the amount of water flowing over the falls to until early December.

During the 17-year pontificate of Zephyrinus, the young Church endured severe persecution under the Emperor Severus until his death in the year 211.

During severe illness, a tube may be placed in the throat ( a procedure known as a tracheostomy ) to enable breathing supported by a ventilator.

During the events of Dark Empire, the New Republic suffers severe setbacks, losing most of its worlds, as well as Luke Skywalker to the dark side.

During the late eighties and early nineties a severe economic crisis emerged stemming from poor government oversight and overspending.

During the struggle at Boggart Hole Clough, Richard Pankhurst began to experience severe stomach pains.

During this period Vliet suffered severe anxiety attacks that made him convinced that he was having a heart attack, probably exacerbated by his heavy LSD use and the fact that his father died of heart failure a few years earlier.

During her time away she became seriously ill with typhus ( she had suffered from severe bronchitis and tuberculosis as a young woman ).