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.

When, in late afternoon on the last day in June, he saw two people top the ridge to the south and walk toward the house, he quit work immediately and strode to his rifle.

The company grew out of efforts by two completely inexperienced men in their late twenties, neither having a formal education applicable to, or experience in, manufacturing or selling our type of articles.

In most places, there are two generations a year, a second brood of adults appearing late in the summer.

Starting in great force late in December, from a line stretching from East Prussia to Budapest, the Red armies had swept two hundred miles across Poland to the Oder, thirty miles from Berlin, and the Upper Danube region was being rapidly overrun, while the Western Allies had not yet occupied all of the left bank of the Rhine.

He had two productive periods, one in the late 1860's, the other in the decade from 1910 to 1920 ( half of the dated poems are from the latter period, and these alone total about one-tenth of all Hardy's poems ).

( `` In the late forties and fifties '', Coombs has declared in defining his role, `` two strong new arms were added to reinforce United States foreign policy economic assistance and military assistance.

Hansen arrived just before nightfall, two hours late, in company with Lee MacPhail ; ;

The ruthless and belligerent Armstrong led his team back to England in 1921 where his men lost only two games late in the tour to narrowly miss out of being the first team to complete a tour of England without defeat.

By the late 5th century BC, philosophers might separate Aphrodite into two separate goddesses, not individuated in cult: Aphrodite Ourania, born from the sea foam after Cronus castrated Uranus, and Aphrodite Pandemos, the common Aphrodite " of all the folk ," born from Zeus and Dione.

It was a provocative and controversial road comedy about two sexually obsessed teenagers who take an extended road trip with an attractive married woman in her late twenties.

Pallas stated to the emperor that as Lucius was the grandson to Claudius's late brother Germanicus, by marrying Agrippina, Claudius would ally the two branches of the Claudian house and imperial family.

His quarrel with Congress prevented the readmission into the Union on generous terms of the members of the late Confederacy .... He sacrificed two important objects to petty considerations.

From the dry ground in late summer ( August in zone 7 ) each bulb produces one or two leafless stems 30 – 60 cm tall, each of which bears a cluster of 2 to 12 funnel-shaped flowers at their tops.

Of his late works for the stage only two works gained wide popular esteem during his life, Palmira, regina di Persia ( Palmira, Queen of Persia ) 1795 and Cesare in Farmacusa ( Caesar on Pharmacusa ), both drawing on the heroic and exotic success established with Axur.

During the late 1950s it was sought by two rail historians, George Horn and Martin Schachne, but they did not gain access to the tunnel itself.

By the late 19th century, two problems were identified before heavier-than-air flight could be realized.

According to Volume I of her diaries, 1931 – 1934, published in 1966 ( Stuhlmann ), Nin first came across erotica when she returned to Paris with her mother and two brothers in her late teens.

As of late 2002, the Navy had reportedly become responsible for flying all aircraft with the rivalry having subsided between the two branches of the armed forces.

In late 2005, the FABF acquired two Mil Mi-35 ' Hind ' attack helicopters from Russia in apparent response by moves by neighbouring Côte d ' Ivoire to bolster its own air attack capabilities during the Ivorian Civil War.

... an 11th-century MS ; an 11th-century Mercian poet using an archaic poetic dialect ; and 11th-century standard literary dialect that contained early and late, cross-dialectical forms, and admitted spelling variations ; and ( perhaps ) two 11th-century scribes following slightly different spelling practices.

In the late 1950s she shared an exchange which was called " la croisée de deux sillages " (" the crossing of two wakes ") with actor and true-crime author John Gilmore, then an actor in France who was working on a New Wave film with Jean Seberg.

In the late 1990s, functions that had been administered separately by the two major leagues ' administrations were united under the rubric of Major League Baseball.

Bicycles and horse buggies were the two mainstays of private transportation just prior to the automobile, and the grading of smooth roads in the late 19th century was stimulated by the widespread advertising, production, and use of these devices.

Sörla þáttr is a short story in the later and extended version of the Saga of Olaf Tryggvason in the manuscript of the Flateyjarbók, which was written and compiled by two Christian priests, Jon Thordson and Magnus Thorhalson, in the late 14th century.

Mercia was arguably the most powerful Anglo-Saxon kingdom for much of the late 7th and 8th centuries, though Mercian kings are missed out of the two main ' lists '.