By 1991 the country was completely transformed into a modern industrialized state.

By 1991 the communist governments of Bulgaria, Czechoslovakia, East Germany, Hungary, Poland and Romania, all of which had been imposed after World War II, were brought down as revolution swept Eastern Europe.

By 1991 there were enough African Esperantists to warrant a pan-African congress.

By 1991, it was relatively easy to produce gram-sized samples of fullerene powder using the techniques of Donald Huffman, Wolfgang Krätschmer and Konstantinos Fostiropoulos.

By 1991 President Callejas had achieved modest success in controlling inflation.

By 1991 the public-sector deficit was entirely financed with net external credit.

* Passing By: Selected Essays, 1962 – 1991 ( 1992 )

By summer 1991, Dahmer was murdering approximately one person each week.

By 1991, it appeared to many that SGML would be limited to commercial and data-based applications while WYSIWYG tools ( which stored documents in proprietary binary formats ) would suffice for other document processing applications.

By the end of 1991, however, two years before the termination of the plan, no quantitative plan targets had been made public, an indication that the plan has not fared well.

By November 1990, only four months later, the 5th Battalion had deployed and in early 1991 the 21st Guards Battalion had also been formed, four staff courses had been run, support weapons and logistics training was well advanced ( indeed a logistics battalion deployed as early as July 1990 ) and an operational test exercise had been conducted.

By 1991, economic and political turmoil were beginning to boil over, as the Baltic republics chose to secede from the Union.

In the US, the new novels Moscow Club ( 1991 ) by Joseph Finder, Masquerade ( 1996 ) by Gayle Lynds, and The Unlikely Spy ( 1996 ) by Daniel Silva, and in the UK, A Spy By Nature ( 2001 ) by Charles Cumming and Remembrance Day ( 2000 ) by Henry Porter, maintained the spy novel in the post – Cold War world.

By 1991, the Shining Path had control of much of the countryside of the center and south of Peru and had a large presence in the outskirts of Lima.

By the 1991 season, the Cowboys finished with an 11-5 record and made the playoffs for the first time in six years.

By December 1991, that Association had received reports of 60 common graves and had investigated 15 of them.

By 1991 heavy use of mineral fertilizers and agricultural chemicals was a major cause of pollution in the republic.

By 1991 Microsoft added TrueType into the Windows 3. 1 operating system.

By coincidence, the last palindrome year ( 1991 ) was also a common year starting on Tuesday.

By 1991, the newly formed band had signed a recording contract with Virgin Records and enlisted the help of several drummers / percussionists ( Jim Keltner, Michael Urbano and Phil Jones ), issuing their first album, Cracker, in 1992.

By the end of the decade, Hughes ' realised his ongoing drug problem was derailing him, and by 1991 a clean, sober and fully rejuvenated Hughes returned with the vocal for the hit " America: What Time Is Love?

By 1991, Sesame Street and its songwriters had received eight Grammys.

By 1991, US arcade video game revenues had fallen to $ 2. 1 billion.

By the beginning of 1991, the government controlled only 10 percent of Afghanistan, the eleven year Siege of Khost had ended in a mujahideen victory and the morale of the Afghan military finally collapsed.

By reasoning using " induction " Bacon meant the ability to gradually generalize a finding based on accumulating data-he advised proceeding by this method ( building a case from the ground up ).

By 1822 it was known as " Perkins & Heath ", then in 1829, after a complicated transaction in which Heath gave up his shares and Joshua Butters Bacon ( Perkin's son in law ) bought in, as " Perkins & Bacon ".

By forms and formal causes, Bacon means the universal laws of nature.

By 1904 the " Bacon Factory " as it was locally known as, which produced not only bacon but also cheese, ham and other small goods was established.

* The Ultimate Guitar Book By Tony Bacon

* Stephen Sewell-The Father We Loved On A Beach By The Sea ( 1981 ), In Stillness My Sister Speaks to Me ( 1990 ), The Secret Death of Salvador Dali ( 2004 ), Three Furies Scenes from the life of Francis Bacon ( 2005 )

By 1676, the Virginia Militia had responded to numerous Indian raids and had served in Bacon ’ s Rebellion.

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.