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 1954, he teamed up with harmonica player Billy Boy Arnold, drummer Clifton James, and bass player Roosevelt Jackson, and recorded demos of " I'm A Man " and " Bo Diddley ".

This did not happen and the presidency, having been damaged by three late nineteenth and early twentieth century assassinations ( Lincoln, Garfield and McKinley ) and one impeachment ( Johnson ), reasserted its political dominance by the early twentieth century through such figures as Theodore Roosevelt and Woodrow Wilson.

As late as 1919, when Roosevelt was working with Joseph Bucklin Bishop on a biography that included a collection of his letters, Roosevelt did not mention either his first or second marriage, which took place in London.

Roosevelt made a habit of walking officers ' beats late at night and early in the morning to make sure they were on duty.

He also claimed to commune with the spirit of the late President Roosevelt.

With the opportunities found only at Roosevelt College in the late 1940s, Washington's time at Roosevelt proved to be a pivotal point in his life and the city's history.

His orchestra also performed frequently at the Roosevelt Hotel in New York City during the late 1940s.

It had been preceded by the Tehran Conference in 1943, and it was followed by the Potsdam Conference in July 1945, which was attended by Harry S Truman, who replaced the late Roosevelt ; Stalin ; and Churchill, who was replaced midpoint by the newly elected British Prime Minister Clement Attlee.

The name comes from Pierre Wibaux, a late 19th century cattle baron and friend of Theodore Roosevelt whose ranch was just over the border in Dakota Territory.

Roosevelt wanted control of the patronage and the two men broke in late 1933.

First Lady Eleanor Roosevelt visited the Mimslyn during a short visit in the late 1930s and former Virginia Governor Mark Warner visited in January 2008.

" Pablo Picasso experimented with classicizing motifs in the years immediately following World War I, and the Art Deco style that came to the fore following the 1925 Paris Exposition des Arts Décoratifs, often drew on neoclassical motifs without expressing them overtly: severe, blocky commodes by E. J. Ruhlmann or Sue et Mare ; crisp, extremely low-relief friezes of damsels and gazelles in every medium ; fashionable dresses that were draped or cut on the bias to recreate Grecian lines ; the art dance of Isadora Duncan ; the Streamline Moderne styling of US post offices and county court buildings built as late as 1950 ; and the Roosevelt dime.

He was a staunch supporter of President Franklin D. Roosevelt and the New Deal throughout the Depression era, and frequently served as the Roosevelt Administration's mouthpiece in favor of interventionism as the European war crisis loomed in the late 1930s.

‘ Midge-at-the-Mike ’, broadcast from March to late fall 1943, in which she played American songs interspersed with defeatist propaganda, anti-Semitic rhetoric and attacks on Franklin D. Roosevelt.

As late as June 1936, polls gave President Roosevelt at best a 50 percent chance of reelection, due largely to the nightly, national radio attacks by Father Charles Coughlin of Detroit.

Immigrants from Hemel Hempstead migrated to the area which is now Hempstead, New York, including the surrounding areas such as Roosevelt, in the late 17th century.

In 1965, Yorty was reelected over Democratic Congressman James Roosevelt, son of the late President Franklin D. Roosevelt.

When First Lady of the United States Eleanor Roosevelt, a member of the AAUN Board of Directors, completed her term as a US Representative to the UN General Assembly in late 1951, she walked into the AAUN offices and asked to be given something to do for the organization.

The book — written in the aftermath of the Democrats ' heavy losses in the 1938 mid-term elections — assumes that by 1938 – 39 Franklin D. Roosevelt's New Deal had failed due to the constant attacks by his opponents, that in the 1940 elections Roosevelt would prove unelectable, that his downfall would drag the Democratic Party to ruin and that a sharp drift to the Right would culminate in an extreme-right dictatorship in the late 1940s — which would, however, prove short-lived and after which the pendulum would swing sharply to the Left again.

However, both Roosevelt and Churchill accepted the necessity of Allied armies continuing to engage the Axis in the period after a successful campaign in Sicily and before the start of one in northwest Europe The discussion continued through the Trident Conference in Washington in May but it was not until late July, after the course of the Sicily campaign had become clear and with the fall of Mussolini, that the Joint Chiefs of Staff instructed Eisenhower to go ahead at the earliest possible date.