By 1971, 12 percent of the total area of South Vietnam had been sprayed with defoliating chemicals, at an average concentration of 13 times the recommended USDA application rate for domestic use.

By 1971, 12 percent of the total area of South Vietnam had been sprayed with defoliating chemicals, at an average concentration of 13 times the recommended USDA application rate for domestic use.

By the end of 1971, 29 barricades were in place to prevent access to what was known as Free Derry, 16 of them impassable even to the British Army's one-ton armoured vehicles.

By 1971, when a bibliography of ab initio calculations was published, the largest molecules included were naphthalene and azulene.

By 1971, Bell researchers Michael F. Tompsett et al.

By 1971, Brezhnev had succeeded in becoming first amongst equals in the Politburo and the Central Committee.

By 1971 ELF activity had become enough of a threat that the emperor had declared martial law in Eritrea.

By 1971, the show's ratings had plummeted.

By the mid-1960s, the East Pakistan was accounting for less than 60 % of the nation's export earnings, and by the time of Bangladesh's independence in 1971, this percentage had dipped below 50 %.

By 1971, Friedman had formed his second band, Kinky Friedman and The Texas Jewboys, which many took to be a play on the name of the famous band Bob Wills and His Texas Playboys.

By the 1971 – 72 season, Dalglish had become established in the Celtic first team.

By 1971, this amounted to more than $ 1 billion.

By 1971, Malmö reached 265, 000 inhabitants, but this was the peak which would stand for more than 30 years.

By the 1970s some Native American film roles began to show more complexity, such as those in Little Big Man ( 1970 ), Billy Jack ( 1971 ), and The Outlaw Josey Wales ( 1976 ), which depicted Native Americans in minor supporting roles.

By 1971, 250, 000 Cubans made use of this program.

By mid-1971, as the termination date of the British treaty relationship ( end of 1971 ) approached, the nine still had not agreed on terms of union.

By 1970 Macainsh was back with Strauks, now on drums, first in Claptrap and by 1971 in Frame which had Graeme " Shirley " Strachan as lead vocalist.

By Meddle ( 1971 ), specifically the suite " Echoes ", they moved in the direction of symphonic prog rather than psychedelic rock.

By 1971 the Unification Church of the United States had about 500 members.

By 1971 it was recognized by the New York Times as a " buzz word ".

By the end of 1971, Khan soon faced another war with India that lasted less than two weeks.

By 1971 the yen had become undervalued.

By 1971, the FCC introduced the Prime Time Access Rule, which freed local network affiliates in the top 50 markets ( in practice, the entire network ) to take a half hour of prime time from the networks on Mondays through Saturdays and one full hour on Sundays.

In other fictional television works, a January 1971 episode " By the Pricking of My Thumbs ..." of the British science fiction TV series Doomwatch featured a 16-year-old XYY boy expelled from school because of his genetic condition, a November 1993 episode " Born Bad " of the American police procedural TV series Law & Order portrayed a 14-year-old XYY sociopathic murderer, and the May 2007 season finale episode " Born To Kill " of the American police procedural TV series CSI: Miami depicted a 34-year-old XYY serial killer.

By 1971, diverging interests between the civilian and military wings of the leadership were apparent.

By now Harmony could see that most of the adults in the train were winded and resting, or else siphoned off from the games by the challenging lure of the great cliff towering above them.

By the same test predispositions destructive of human personality exercise their most sinister impact, with the result that men of good will are often trapped and nullified.

By comparing reaction cells sealed from the same manifold temperature dependency corresponding to activation energies ranging from 11 to 18 Af was observed while dependence on the first power of the light intensity seemed to be indicated in most cases.

By all means the most important distinction is that between those total-cost apportionments which superimpose a distribution of admittedly unallocable cost residues on estimates of incremental or marginal costs, and those other apportionments which recognize no difference between true cost allocation and mere total-cost distribution.

By fall, 443 survivors of this arduous journey were clustered about Fort Snelling, but most of them were sent on to Galena and St. Louis, with a few going as far as Vevay, Indiana, a notable Swiss center in the United States.

By relaxing the throat muscles and expanding the oral cavity well into the frontal sinuses, she could direct the vowel sounds into the most felicitous position for proper reproduction through her throat microphone.

By 1850, Luanda was one of the greatest and most developed Portuguese cities in the vast Portuguese Empire outside Mainland Portugal, full of trading companies, exporting ( together with Benguela ) palm and peanut oil, wax, copal, timber, ivory, cotton, coffee, and cocoa, among many other products.

By the end of the 14th century, most of Anatolia was controlled by various Anatolian beyliks.

By some estimates, this might account for most of the internal radiation damage, as the recoil nuclei are typically heavy metals which preferentially collect on the chromosomes.

The largest species are red alder ( A. rubra ) on the west coast of North America, and black alder ( A. glutinosa ), native to most of Europe and widely introduced elsewhere, both reaching over 30 m. By contrast, the widespread Alnus viridis ( green alder ) is rarely more than a 5 m tall shrub.

By a probably euphonic inversion the translator of Irenaeus and the other Latin authors have Abraxas, which is found in the magical papyri, and even, though most sparingly, on engraved stones.

By the middle of the 19th century, industrialisation swept away most of the city's medieval rules of production and commerce, although the entirely corrupt remains of the city's mediæval constitution was kept in place ( compare the famous remarks of Georg Forster in his Ansichten vom Niederrhein ) until 1801, when Aachen became the " chef-lieu du département de la Roer " in Napoléon's First French Empire.

By the early 1960s, most of East and Central Africa, where the majority of the Ismāʿīlī population on the continent resided including Tanganyika, Kenya, Uganda, Malagasy, Rwanda, Burundi and Zaire, had attained their political independence.

By the time Alexios ascended the throne, the Seljuqs had taken most of Asia Minor.

By seeking close alliances with powerful noble families, Alexios put an end to the tradition of imperial exclusivity and coopted most of the nobility into his extended family and, through it, his government.

By 1094, Yusuf had annexed most major taifas, with the exception of the one at Zaragoza.

By the mid-16th century, they were in common use in most of Europe.

By the 1890s, the company was the largest and most profitable industrial enterprise in the world.

By a public decree, this fine work was placed in one of the stanze of the Vatican hitherto reserved for the most precious works of antiquity.

By contrast, while defendants in most civil law systems can be compelled to give a statement, this statement is not subject to cross-examination by the prosecutor and not given under oath.

By this time most had expected him to have wasted away, or to have gone insane in his solitary confinement.

By the time Marlborough had closed down the Ramillies campaign he had denied the French most of the Spanish Netherlands west of the Meuse and north of the Sambre – it was an unsurpassed operational triumph for the English Duke.

By the mid 1960s, binary addressing had become the standard architecture in most computer designs, and main memory sizes were most commonly powers of two.

By making these data available to local public health officials in real time, most models of anthrax epidemics indicate that more than 80 % of an exposed population can receive antibiotic treatment before becoming symptomatic, and thus avoid the moderately high mortality of the disease.