That remained the state of affairs until the late 1960s when Harald Loe ( at the time a professor at the Royal Dental College in Aarhus, Denmark ) demonstrated that a chlorhexidine compound could prevent the build-up of dental plaque.

Farming of abalone began in the late 1950s and early 1960s in Japan and China.

Collins decided to record it in the late 1960s amid an atmosphere of counterculture introspection ; she was part of an encounter group that ended a contentious meeting by singing " Amazing Grace " as it was the only song to which all the members knew the words.

The last of the Ainu households disappeared in the late 1960s, when Yamanaka Kitaro committed suicide after the death of his wife.

His attitude towards conjectures was that one should not dignify a guess as a conjecture lightly, and in the Taniyama case, the evidence was only there after extensive computational work carried out from the late 1960s.

By the late 1960s he had started to become interested in scientific areas outside of mathematics.

From the late 1940s to the early 1960s, following the creation of the state of Israel, most of these Jews fled their countries of birth and are now mostly concentrated in Israel.

One story is that The Rolling Stones went to stay at Korner's house late one night, in the early 1960s, after a performance.

Although he himself was a blues purist, Korner criticised better-known British blues musicians during the blues boom of the late 1960s for their blind adherence to Chicago blues, as if the music came in no other form.

This practice was particularly popular in the late 1960s.

However, the late 1950s and early 1960s saw the onset of a lasting transformation of the city by the tourist industry.

The local economy is based upon tourism directed to the beaches of the Costa Blanca and particularly the second residence construction boom which started in the 1960s and reinvigorated again by the late 1990s.

From the late 1820s until the mid 1960s, Arapawa Island was a base for whaling in the Sounds.

The region was a major producer of raw opium ( hence the name Afyon ) until the late 1960s when under international pressure, from the USA in particular, the fields were burnt and production ceased.

Remains of the walls of this fort were discovered west of the castle when excavating the foundations for a new post office and telephone exchange building in the late 1960s.

By the late 1960s, the area of LAFTA had a population of 220 million and produced about $ 90 billion of goods and services annually.

Throughout the late 1950s and into the 1960s, the United States and the Soviet Union had been developing a series of missile systems with the ability to shoot down incoming ICBM warheads.

* About 50 people in Vernon, Florida collected insurance claims for loss-of-limb accidents in the late 1950s and early 1960s ; this was more than two-thirds of all such claims in the United States during that time.

He changed his surname from Einstein ( to avoid confusion with the famous physicist ) and began a comedy career that quickly made him a regular on variety and talk shows during the late 1960s and early 1970s.

A standardized form of the Basque language, called Euskara Batua, was developed by the Basque Language Academy in the late 1960s.

In the late 1960s and early 1970s, Thackeray built the party by forming temporary alliances with nearly all of Maharashtra's political parties.

However, in the late 1950s and early 1960s, base-stealing was brought back to prominence primarily by Luis Aparicio and Maury Wills, who broke Cobb's modern single-season record by stealing 104 bases in 1962.

During the late 1960s, the Baseball Players Union became much stronger and conflicts between owners and the players ' union led to major work stoppages in 1972, 1981, and 1994.

The BASIC language was also central to the HP Time-Shared BASIC system in the late 1960s and early 1970s, and the Pick operating system.

Following a brief modeling career in the late 1960s, Berenson became a freelance photographer.

In late 1957 the M.P. ( Mouvement Populaire ) appeared and in the spring of 1958 the internal strains of the Istiqlal was revealed when the third Council of Government under Balafrej was formed without support from progressive elements in the party.

The islands are formed of marine limestone and dolostone that was uplifted during the late Miocene epoch.

As is the case today, photosynthesizing organisms, such as phytoplankton and land plants, formed the primary part of the food chain in the late Cretaceous.

This plant extinction caused a major reshuffling of the dominant plant groups .< ref name =" autogenerated347 "> Photosynthesizing organisms, including phytoplankton and land plants, formed the foundation of the food chain in the late Cretaceous as they do today.

From the late 1940s to 1989, the extensive Czechoslovak Armed Forces ( about 200, 000 ) formed one of the pillars of the Warsaw Pact military alliance.

Cheddar Cricket Club was formed in the late 19th century and moved to Sharpham Road Playing Fields in 1964.

As late as mediaeval era, the Kamboja cavalry had also formed part of the Gurjara-Pratihara armed forces in 8th / 10th centuries AD.

Chic's was formed by Nile Rodgers a self described " street hippie " from late 1960s New York and Martin Dow DJ at from Key West, Florida who pioneered the NYC sound across that state.

The Inca civilization expansion northward from modern-day Peru during the late 15th century met with fierce resistance by several Ecuadorian tribes, particularly the Cañari, in the region around modern-day Cuenca ; the Cara in the Sierra north of Quito along with the Quitu, occupants of the site of the modern capital, with whom they had formed the Kingdom of Quito.

It is most widely accepted that stromatolites from the late Archean and through the middle Proterozoic eon were mostly formed by massive colonies of cyanobacteria ( formerly known as blue-green algae ), and that the oxygen byproduct of their photosynthetic metabolism first resulted in earth ’ s massive banded iron formations and subsequently oxygenated earth ’ s atmosphere.

The initial list was formed in late 2001 in the immediate aftermath of the 9 / 11 attacks and contained the names of 22 persons alleged to be terrorists by U. S. authorities.

In the late 1970s, the different regional Greenpeace groups formed Greenpeace International to oversee the goals and operations of the regional organizations globally.

After leaving the group in late 1968, Parsons and fellow Byrd Chris Hillman formed The Flying Burrito Brothers in 1969, releasing their debut, The Gilded Palace of Sin, the same year.

In the late 19th century, its vast territory became the largest component in the newly formed Dominion of Canada, in which the company was the largest private landowner.

In late 1996, Aristide broke with Préval and formed a new political party, the Lavalas Family ( Fanmi Lavalas, FL ), which won elections in April 1997 for one-third of the Senate and local assemblies, but these results were not accepted by the government.

The complementary term soft science fiction ( formed by analogy to " hard science fiction ") first appeared in the late 1970s.

After his death, a " Bogie Cult " formed at the Brattle Theatre in Cambridge, Massachusetts, as well as Greenwich Village, New York and in France, which contributed to his spike in popularity in the late 1950s and 1960s.

From the late nineteenth to the mid-twentieth century, thousands of Italians settled in Argentina, Uruguay, southern Brazil, and Venezuela, where they formed a strong physical and cultural presence.

Jokes of this genre formed the base of a monologue by comedian Pat Paulsen on The Smothers Brothers Comedy Hour in the late 1960s.

The liberal conservative LDP was in power from 1955 to 2009, except for a very short-lived coalition government formed from its opposition parties in 1993 ; the largest opposition party was the social liberal Democratic Party of Japan in the late 1990s and late 2000s.

In the late years of Ottoman rule, Jericho formed part of the waqf and imerat of Jerusalem.

Because of the cost vs. revenue contracts within the PKA, many of the promoters also left the organization and formed the International Sport Karate Association ( ISKA ) in 1985, and in the late eighties a struggle for control of the PKA developed between the Quines and equal partner Joe Corley, leading to the decline of the organization as a business entity.

In late 2011, a new independent supporter group South Stand SC formed to represent the opposite stand from the Cauldron.

During the late 1920s, ' 30s, and ' 40s, Bertrand Russell and Ludwig Wittgenstein's formalism was developed by a group of philosophers in Vienna and Berlin, who formed the Vienna Circle and Berlin Circle into a doctrine known as logical positivism ( or logical empiricism ).