The establishment or expansion of multiple United States Armed Forces installations added to the state economy and helped bridge the gap between an agricultural and industrial economy during the mid-20th century.

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.

In American pop culture depictions of Heaven, particularly in vintage cartoons such as those by Looney Tunes in the mid-20th century, the souls of virtuous people ascend to Heaven and are converted into angels.

Until the mid-20th century, anchors for smaller vessels were either scaled-down versions of admiralty anchors, or simple grapnels.

Subsequent mentions in Supreme Court opinions beginning in the mid-20th century have assumed that it would today be found unconstitutional.

The Intergovernmental Panel on Climate Change ( IPCC ) has concluded that " of the observed increase in globally averaged temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations.

The scene in which, returning to her apartment, Bardot's character is harangued in the elevator by a middle-aged cleaning lady calling her offensive names, was based on an actual incident, and is a resonant image of celebrity in the mid-20th century.

Since then, biochemistry has advanced, especially since the mid-20th century, with the development of new techniques such as chromatography, X-ray diffraction, dual polarisation interferometry, NMR spectroscopy, radioisotopic labeling, electron microscopy, and molecular dynamics simulations.

Since the mid-20th century, there has been considerable debate over how the earliest forms of life evolved and how to classify them, especially at the kingdom and domain levels and organisms that are or have been considered bacteria.

* See Operation Bootstrap (" Operación Manos a la Obra "), ambitious projects which industrialized Puerto Rico in the mid-20th century.

While some 300 of these dances had been preserved in Beauchamp-Feuillet notation, it wasn't until the mid-20th century that serious scholarship commenced in deciphering the notation and reconstructing the dances.

By the mid-20th century, the number of examples of people skipping stages, such as going from hunter-gatherers to post-industrial service occupations in one generation, were so numerous that 19th-century evolutionism was effectively disproved.

Costume jewelry was also made popular by various designers in the mid-20th century.

For a period ending in the mid-20th century, long-serving cardinal priests were entitled to fill vacancies that arose among the cardinal bishops, just as cardinal deacons of ten years ' standing are still entitled to become cardinal priests.

Interest lagged, then picked up in the mid-20th century, as collectors competed for the modern-looking figures that seemed so similar to sculpture by Jean Arp or Constantin Brâncuşi.

Pregnancy testing was conducted in the mid-20th century by injecting urine from a woman into a male toad's lymph sacs, and if spermatozoa appeared in the toad's urine, the patient was deemed to be pregnant.

But it was only in the mid-20th century that the Catholic Church and many Protestant denominations issued major statements repudiating anti-Judaic theology and began a process of constructive Christian-Jewish interaction.

By the mid-20th century, it was increasingly clear to historians that the notion of " changeless China " was untenable.

By the mid-20th century many rhyming slang expressions used the names of contemporary personalities, especially actors and performers: for example " Gregory Peck " meaning " neck " and also " cheque "; " Ruby Murray " meaning " curry "; " Alans ", meaning " knickers " from Alan Whicker ; " Max Miller " meaning " pillow " when pronounced / ˈpilə / and " Henry Halls ".

Hermann Bondi named the principle after Copernicus in the mid-20th century, although the principle itself dates back to the 16th-17th century paradigm shift away from the Ptolemaic system, which placed Earth at the center of the Universe.

Starting in the 1880s, and more significantly by the mid-20th century, CGS was gradually superseded internationally for scientific purposes by the MKS ( metre – kilogram – second ) system, which in turn developed into the modern SI standard.

Notable Nova Scotian folklorist and cultural historian Helen Creighton spent the majority of her lifetime recording the various Celtic musical and folk traditions of rural Nova Scotia during the mid-20th century, prior to this knowledge being wiped out by mass media assimilation with the rest of North America.

The maps he made of the Columbia River basin east of the Cascade Mountains were of such high quality and detail that they continued to be regarded as authoritative well into the mid-20th century.

The most widely read English-language translations of the mid-20th century are by Samuel Putnam ( 1949 ), J. M. Cohen ( 1950 ; Penguin Classics ), and Walter Starkie ( 1957 ).

Believing the post to be " the first professorship of its kind in the country ," Harvard President Drew G. Faust called it “ an important milestone .” Funded by a $ 1. 5 million gift from the members and supporters of the Harvard Gay & Lesbian Caucus, the F. O. Matthiessen Visiting Professorship of Gender and Sexuality is named for a mid-20th century gay Harvard American studies scholar and literary critic who chaired the undergraduate program in history and literature.

It was assumed that the rest of the poem had indeed been destroyed or lost until the mid-20th century when scholar Allan Pritchard discovered the first of two extant manuscript copies of the whole poem among the Cowper family papers.

In the mid-20th century, with the integration of fire-control systems into major cities, police found that high-pressure fire hoses could be effective in dispersing a crowd ( the use of water cannons and fire trucks has remained an effective nonlethal tactic to disperse riots ).

There do not appear to be breeding records from the entire Kamchatka Peninsula ; in Switzerland, Czechia and southern Germany small populations were found in the mid-20th century but have declined or even disappeared since then.

LD players are also sometimes still found in contemporary North American high school and college physics classrooms, in order to play a disc of the Physics: Cinema Classics series of mid-20th century Encyclopædia Britannica films reproducing classic experiments in the field which are difficult or impossible to replicate in the laboratories in educational settings.

Since the mid-20th century, the official name has been gradually forgotten, and today is found mainly in history books, legal documents, title deeds, and civil engineering reports.

They were thought extinct in the mid-20th century until a population of 200 was found.

hadidii, is also very rare today due to draining of its wetland habitat ; feared extinct in the mid-20th century, it is still found at a few sites in the Wadi El Natrun region and northern Sudan.

In the mid-20th century, urban development and industrial buildings replaced most of the farms and the area is mostly residential ; some remnants of woodland are to be found in the squares, or plateies.

In the early to mid-20th century, women with tattoos were heavily stigmatized, and were rarely found in middle-class society.

This argument is associated with the mid-20th century archaeologist Mortimer Wheeler, who interpreted the presence of many unburied corpses found in the top levels of Mohenjo-daro as the victims of conquest wars, and who famously stated that the god " Indra stands accused " of the destruction of the Indus Valley Civilisation.

The Onion River is the only Class I trout stream in southern Wisconsin, and its natural trout population severely decreased from the levels found during the mid-20th century.

The presence of Hormose's contemporary -- the foreman Nekhemmut -- also establishes that this papyri document dates to the mid-20th dynasty most probably to the reign of Ramesses VII since Nekhemmut is attested in office " from the second year of Ramesses IV until the seventeenth year of Ramesses IX.

Prior to the mid-20th century, double bass strings were usually made of gut, but since that time, steel strings have largely replaced gut strings, because steel strings hold their pitch better and yield more volume when played with the bow.

By the mid-20th century eugenics had fallen into disfavor, having become associated with Nazi-Germany.

Many communities in the United States used a gristmill until the mid-20th century, with families bringing their own corn to be ground, and the miller retaining a portion of the corn for his fee.

Human subject research, and killing of patients with disabilities, were at its height during the mid-20th century, with Nazi human experimentation and Aktion T4 during the Holocaust as the most significant example, followed up by the Doctors ' Trial.

By the turn of the 20th century, the heyday of individualist anarchism had passed, although aspects of the individualist anarchist tradition were later revived with modifications by Murray Rothbard and his anarcho-capitalism in the mid-20th century, as a current of the broader libertarian movement.

The M ' Naghten rule was embraced with almost no modification by American courts and legislatures for more than 100 years, until the mid-20th century.

In the mid-20th century, the city's trade fair assumed renewed importance as a point of contact with the Comecon Eastern Europe economic bloc, of which East Germany was a member.

Mass deacidification-along with microfilm and lamination-was developed during the early-and mid-20th century as a response to the chemical process of hydrolysis by which the fibers that constitute paper, providing its structure and strength, have their bonds broken, resulting in paper that becomes increasingly brittle over time.

The book was later revealed to be based on a hoax originating with Pierre Plantard in the mid-20th century.

A toxicologic examination of his remains in the mid-20th century confirmed centuries-old rumors that the Pope had been poisoned with lead sugar.

Human factors, however, brought about a change in the equilibrium in the mid-20th century with the result that the entire coastline of the northern Adriatic is now degrading.

Starting in the mid-20th century some countries began assigning the first day of issue to a place associated with the subject of the stamp design, such as a specific town or city.

Since the mid-20th century Witchcraft has become the designation of a branch of neopaganism, specifically those Wicca traditions following Gerald Gardner, who claimed a religious tradition of Witchcraft with pre-Christian roots.

By the mid-20th century, some speakers applied the word to any American born north of the Mason – Dixon Line, though usually with a specific focus still on New England.

Most calliopes disappeared in the mid-20th century, as steam power was replaced with other power sources.

Allergist Theron G. Randolph ( 1906 – 1995 ) was the first to describe " the chemical intolerance phenomenon " in the mid-20th century, calling it " unwitting addiction " and comparing it to drug and alcohol addiction, with the addiction cycle being transparent to the patient as a masked intolerance.

By the mid-20th century she founded her own company and performed throughout the world, with a repertory consisting primarily of abridgements of Petipa's works, and specially choreographed pieces for herself.

The mid-20th century Dutch philosopher, Herman Dooyeweerd, who is often associated with a neo-Calvinistic tradition, provides a philosophical foundation for understanding why we can never absolutely know God, and yet, paradoxically, truly know something of God.

Since the mid-20th century, most of the US imports are from Southern Italy, with the large, meaty, and richly flavored Sicilian chestnuts being considered among the best quality for bulk sale and supermarket retail.

To break the oligopoly of the ' Seven Sisters ' ( a term he coined to refer to the dominant oil companies of the mid-20th century ), Mattei initiated agreements with the poorest countries of the Middle East and countries of the former soviet bloc as well.