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.

Distinctions in vocabulary persist, for example, in culinary terms, where communication with Germans is frequently difficult, and administrative and legal language, which is due to Austria's exclusion from the development of a German nation-state in the late 19th century and its manifold particular traditions.

Australian rules football, officially known as Australian football, also called football, footy or Aussie rules However, late in the century the code began to decline in New South Wales and Queensland largely due to competition with other more popular football codes, as well as interstate rivalries and the lack of strong local governing bodies.

In the late 1980s, due to the poor financial standing of many of the Victorian clubs, the VFL pursued a more national competition.

Nin left Paris in the late summer of 1939, when residents from overseas were urged to leave France due to the upcoming war and returned to New York City with Guiler ( who was, on his own wish, all but edited out of her diaries published in her lifetime and whose role in her life is therefore difficult to gauge ).

It was begun in the late 19th century and redesigned while the construction was in progress to accommodate the extra offices needed due to the naval arms race with the German Empire.

In the late 1920s, Heinzer Dehmer suggested Beowulf as contextually based in the folktale type “ The Hand and the Child ,” due to the motif of the “ monstrous arm ”— a motif that distances Grettis saga and Beowulf and further aligns Beowulf with Irish parallelism.

Borland had had an internal project to clone dBASE which was intended to run on Windows and was part of the strategy of the acquisition, but by late 1992 this was abandoned due to technical flaws and the company had to constitute a replacement team ( the ObjectVision team, redeployed ) headed by Bill Turpin to redo the job.

Air battles have been far less common, due to their late conception, the most prominent being the Battle of Britain in 1940.

** The Wii is backward compatible with all games from the Nintendo GameCube, due to its being based on the PowerPC, the same base as the latter ; however, a " Family Edition " model released in North America and Europe in late 2011 removes GameCube support.

This was revived in the late 1990s due to accounts of so-called " sleaze " by the Labour government.

Notably, in the recession of late 2008, a record number of retailers were holding early promotions due to a weak economy.

Nevertheless, since the late 1980s and the beginning of economic transition, Croatian economy experienced difficulties due to deindustrialization, war destruction and the loss of Yugoslav and Comecon markets.

The highly capable BAT-2 was designed to replace the old T-54 / AT-T based BAT-M, but Warsaw Pact allies received only small numbers due to its high price and the old and new vehicles served alongside during the late Cold War.

Cyril is well-known due to his dispute with Nestorius and his supporter Patriarch John of Antioch, whom Cyril excluded from the Council of Ephesus for arriving late.

Unfretted instruments tend to have a sweeter, less incisive tone due to the greater load on the bridge resulting from the greater number of strings, though the large, late ( early 19th century ) Swedish clavichords tend to be the loudest of any of the historic clavichords.

The Cotton Bowl is a stadium which opened in 1932 and became known as " The House That Doak Built " due to the immense crowds that former SMU running back Doak Walker drew to the stadium during his college career in the late 1940s.

However, due to Eisenhower's persistence, the pivotal supply port at Antwerp was successfully, albeit belatedly, opened in late 1944, and victory became a more distinct probability.

By the late 1970s, these had achieved only mixed results due to flaws in the planning process as well as inadequate funding and a shortage of the skilled managers and technicians needed for implementation.

There was formerly one " Zulu " company of counter-revolutionary specialists, which was deactivated in late 2000 due to a mutiny by some of its members.

Ford reportedly spent several million dollars in an audit of Ferrari factory assets and in legal negotiations, only to have Ferrari unilaterally cut off talks at a late stage due to disputes about the ability to direct open wheel racing.

In the late 1980s and early 1990s, due to financial constraints and a lack of serviceable equipment, the navy temporarily shrank from about 1, 200 personnel to around 850, but the numbers soon rose.

In late March 2009, the Guinean ambassador to Serbia faced expulsion for personal involvement in cigarette smuggling ( 1, 000 packs of cigarettes were found in his BMW ) but avoided arrest due to diplomatic immunity ( although he was declared as persona non grata ).

In 1980 and again in 1981, Gaynor released two disco albums which were virtually ignored in the United States due to the backlash against disco, which began late in 1979.

This was mainly due to the song " I Am What I Am ", which became a hit at dance clubs, and then on the Club Play chart in late 1983 / early 1984.

The split between Aristide and Préval produced a dangerous political deadlock, and the government was unable to organize the local and parliamentary elections due in late 1998.