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.

An early Muslim tradition is that the Negus Ashama ibn Abjar offered asylum to a group of Muslims fleeing persecution during Muhammad's life ( 615 ), but Stuart Munro-Hay believes that Axum had been abandoned as the capital by then – although Kobishchanov states that Ethiopian raiders plagued the Red Sea, preying on Arabian ports at least as late as 702.

Consequently, no orthodox Muslim writer accepts the Gospel of Barnabas as transmitting the authentic Injil, and few deny that the known Italian text contains substantial elements of late fabrication.

The Visigoths under Alaric I sacked Rome in 410, defeated Attila at the Battle of the Catalunian Plains in 451, and founded a Kingdom in Aquitaine which was pushed to Hispania by the Franks in 507, converted to Catholicism by the late sixth century, and in the early eighth century conquered by the Muslim Moors.

Muslim control of Lebanon was reestablished in the late 13th century under the Mamluk sultans of Egypt.

In late December 1991 a car bomb ( estimated to carry 100 kg ( 220 pounds ) of TNT ) exploded in the Muslim neighborhood of Basta.

In the late 1990s, the government took action against Sunni Muslim extremists in the north who had attacked its soldiers, and it continues to move against groups such as Asbat al-Ansar, which has been accused of being partnered with Osama bin Laden's al-Qaida network.

In order to strengthen the international influence of the Nation, Farrakhan established relations with Muslim countries and, in the late 1980s, he cultivated a relationship with the Libyan dictator Muammar Gaddafi.

In the late 7th and early 8th C., during the Umayyad Caliphate, conversions were often ignored and jizya continued being collected on Muslim converts, particularly if they were non-Arabs ( e. g. Berbers, Persians ), raising tensions throughout the caliphate.

The current usage of republic in Muslim countries is borrowed from the western meaning, adopted into the language in the late 19th century.

The Crusades which started late in the eleventh century only exacerbated the religious ideology of reconquest, confronted at that time with a similarly staunch ideology found on the Muslim actors strong in Al-Andalus: the Almoravids and, more, the Almohads.

In late summer, a Muslim army overran much of Pelayo's territory, forcing him to retreat deep into the mountains.

In the late years of Al-Andalus, Castile had the might to conquer the remains of the kingdom of Granada, but the kings preferred to claim the tribute of the Muslim parias.

From the mid to late 14th, through early 18th centuries, the Ottoman devşirme – janissary system enslaved and forcibly converted to Islam an estimated 500, 000 to one million non – Muslim ( primarily Balkan Christian ) adolescent males.

Historically, Samaritans were a large community — up to more than a million in late Roman times, but were then gradually reduced to several tens of thousands a few centuries ago — their unprecedented demographic shrinkage has been a result of various historical events, including, most notably, the bloody suppression of the Third Samaritan Revolt ( 529 CE ) against the Byzantine Christian rulers, and mass conversion to Islam in the Early Muslim period of Palestine.

The Kurdish Muslim Saladin retook Hebron in 1187 – again with Jewish assistance according to one late tradition, in exchange for a letter of security allowing them to return to the city and build a synagogue there.

A native Slavic-speaking Muslim community emerged and eventually became the second largest ethno-religious group ( mainly as a result of a gradually rising number of conversions to Islam ), while a significant number of Sephardi Jews arrived following their expulsion from Spain in the late 15th century.

When the region came under Arab Muslim rule in the late 7th century AD, the court at Damascus retained its large complement of Christian civil servants, John's grandfather among them.

Muslim armies pushed east across Persia west across North Africa through the late 7th century.

With the rise of Islam, the trade became dominated by Muslim traders, one ancient Arabic source appears to know the location of the islands, describing them as fifteen days ' sail East from the ' island of Jaba ' - presumably Java — but direct evidence of Islam in the archipelago occurs only in the late 14th century, as China's interest in regional maritime dominance waned.

Pro-decentralization reformers in Yugoslavia succeeded in the late 1960s in attaining substantial decentralization of powers, creating substantial autonomy in Kosovo and Vojvodina, and recognizing a Yugoslav Muslim nationality.

Al-Dawa, on the other hand, follows the position of Iraq's late Ayatollah Mohammad Baqir al-Sadr, and al-Dawa co-founder, that government should be controlled by the ummah ( Muslim community as a whole ).

It passed into Muslim hands late in the 13th century. The Theatre, Priene

Louis Žabkar argued that the Ba is not part of the person but is the person himself, unlike the soul in Greek, or late Judaic, Christian or Muslim thought.

Although these principles have been applied in varying degrees by historical Islamic economies due to lack of Islamic practice, only in the late 20th century were a number of Islamic banks formed to apply these principles to private or semi-private commercial institutions within the Muslim community.

In the late 1990s the BBC was planning to film a five-part miniseries of the novel with Rahul Bose in the lead, but due to pressure from the Muslim community in Sri Lanka, the filming permit was revoked and the project was cancelled.