By 1980 the infrequency of sightings of Mount Ararat, which looms about sixty kilometers across the Turkish border, became a symbol of worsening air pollution in Yerevan.

By 1980 postmodernist sensibilities undercut confidence in overarching metanarratives.

By French aristocrat Mélanie de Gaufridy de Dortan ( 1876 – 1937 ), he had Roger Marie Vincent Philippe Lévêque de Vilmorin ( 12 September 1905 – 20 July 1980 )

By 1980, the way the game was played had changed dramatically due to innovative coaching tactics, with the phasing out of many of the game's kicking styles and the increasing use of handball ; whilst presentation was influenced by television.

By 1980 Brazil had become a net exporter of arms.

By May 1984, Ken Barlow stood as the only original cast member, after the departures of Ena Sharples ( in 1980 ), Annie Walker ( in 1983 ), Elsie Tanner ( in 1984 ) and Albert Tatlock ( also 1984 ).

By comparison, when Mount St. Helens erupted in 1980, it released ~ 1. 2 km < sup > 3 </ sup > ( DRE ) of ejecta.

During the late 1970s he acquired a large public audience as a critic of the then Labour government's disregard of civil liberties ; his writings from this time are collected in Writing By Candlelight ( 1980 ).

By the time the film " The Empire Strikes Back " was released in 1980 Star Wars fanzines had surpassed Star Trek zines in sales.

By 1990, Chile had fulfilled Hayek's prediction by transitioning to a democratic state as established in the 1980 Constitution of Chile approved during the Pinochet regime.

By 1982, only four players and three starting pitchers remained from the 1980 squad.

By 1980 the firm had operations in southern Africa, Australia, China, Great Britain, Hong Kong, Indonesia, Japan, Malaysia, Philippines, Saudi Arabia, Singapore, South Korea, Taiwan, Thailand, as well as the United States, and employed 37, 000 people.

By 1980, Cagney was contributing financially to the Republican Party, supporting his friend Ronald Reagan's bid for the presidency in the 1980 election.

By 1980, a number of national computer facilities ( ULCC London, UMRCC Manchester, Rutherford Appleton Laboratory serving the Science and Engineering Research Council community ), each with their own star network had developed.

By 1980 due to poor ratings and then infrequent television coverage the golden-age of kickboxing in Japan was suddenly finished.

By 1980 the Krugerrand accounted for 90 % of the global gold coin market.

* Lakoff, G. & Johnson, M. Metaphors We Live By ( IL: University of Chicago Press, 1980 ), Chapters 1 – 3.

By 1980, when the name of the CMF was changed to the Army Reserve, the regular army was the more significant force.

By circa 1980 the use of a " record changer ", which might scuff up or otherwise damage the discs, was widely disparaged, so the " turntable " emerged triumphant and retained its position to the end of the 20th Century and beyond.

By 1980 there were more than 250 ; by 1996 there were more than 450.

By 1980, Berlusconi had established a relationship with the actress Veronica Lario ( born Miriam Bartolini ), with whom he subsequently had three children: Barbara ( b. 1984 ), Eleonora ( b. 1986 ) and Luigi ( b. 1988 ).

By way of comparison, the 1980 Mount St. Helens eruption was a VEI-5 with 1. 2 km < sup > 3 </ sup > of ejecta.

Side By Side By Sondheim ( 1976 ), Marry Me A Little ( 1980 ), You're Gonna Love Tomorrow ( 1983 ) Putting It Together ( 1993 ), and Sondheim on Sondheim ( 2010 ) are anthologies or revues of Sondheim's work as composer and lyricist, featuring both songs performed and cut from productions.

By the second day Michelangelo began to worry ; ;

By the mid-19th century scientists began to arrive en masse to study the geology and ecology of the region.

By the age of twenty, Ferdinando I, Duke of Mantua, began commissioning works from him, and he was also employed by local jewelers for figurative designs.

By 1946, as the growing fellowship quarreled over structure, purpose, and authority, as well as finances and publicity, Wilson began to form and promote what became known as AA's Twelve Traditions, guidelines for an altruistic, unaffiliated, non-coercive, and non-hierarchical structure that limited AA's purpose to only helping alcoholics on a non-professional level while shunning publicity.

By the 1960s, as VFL clubs increasingly recruited the best players from other states, they began to dominate the competition and the last match was played in 1976, with North Adelaide being the last non-Victorian winner in 1972.

By 1906, he was studying music full-time ; by 1907, he began composition lessons.

By the 16th century, a cappella polyphony had further developed, but gradually, the cantata began to take the place of a cappella forms.

By the 3rd century BC, the rival armies of Carthage and Rome began to invade and fight for control of the Iberian Peninsula.

By the age of 64 after forty years imprisonment ` Abdu ’ l-Bahá was freed by the Young Turks and he and his family began to live in relative safety.

By the time World War I began, attempts to use anthrax were directed at animal populations.

By the early 20th century the Liberals stance began to shift towards " New Liberalism ", what would today be called social liberalism: a belief in personal liberty with a support for government intervention to provide minimum levels of welfare.

By the age of four, he was able to play 40 pieces on the piano ; his mother began formally teaching him the next year.

By the early 1910s, Jefferson began traveling frequently to Dallas, where he met and played with fellow blues musician Lead Belly.

By the 1890s, the portion from 23rd Street to 34th Street was so brightly illuminated by electrical advertising signs, that people began calling it " The Great White Way.

By winning operationally, strategically it could not keep up the momentum as the superiority of the Soviet Union's industrial base and economy began to take effect.

By the early 2000s ( decade ), however, the university quietly reexamined its position on accreditation as degree mills proliferated and various government bureaucracies, such as law enforcement agencies, began excluding BJU graduates on the grounds that the university did not appear on appropriate federal lists.

By then, early dance camps, retreats, and weekends had emerged, such as Pinewoods Camp, in Plymouth, Massachusetts, which became primarily a music and dance camp in 1933, and NEFFA, the New England Folk Festival, also in Massachusetts, which began in 1944.

By the 16th century, Spanish conquistadors began to subdue and colonize the region of present-day Chile, and the territory became a colony from 1540 to 1818, when it gained independence from Spain.

By the end of the 2nd millennium BC, the Zhou Dynasty began to emerge in the Yellow River valley, overrunning the territory of the Shang.

By the fourth century, however, " confessors "— people who had confessed their faith not by dying but by word and life — began to be venerated publicly.

By this time his interest in writing fiction began to lessen and he turned to creating sculptures from soft rock such as soapstone.

By the 1990s Conservative Judaism continued to flourish, yet dichotomies of practice and belief, which had been present for years, began to formulate.

By the 1960s, college cheerleaders began hosting workshops across the nation, teaching fundamental cheer skills to high-school-age girls.

By 1906, Beaux began to live year-round at Green Alley, in a comfortable colony of " cottages " belonging to her wealthy friends and neighbors.

By August 1954 Malenkov's role as de facto head of government was over ; Nikolai Bulganin began signing Council of Ministers decrees ( a right beholden to the Chairman ) and the Presidium gave in to Khrushchev's wishes to replace Malenkov.