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.

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 June 1945, the RCA had pushed the FCC hard on the allocation of electromagnetic frequencies for the fledgling television industry.

The first was on the right side with the channel number, call signs and city, then the second was the blue bar and the call letters only By the late 1990s, the call signs were minimized to be just barely readable to meet FCC requirements, and the stations were simply known as " UPN ", then channel number or city ( e. g., WPWR-TV in Chicago had been referred to as " UPN Chicago " and WWOR-TV in New York was referred to as " UPN 9 " until The CW merger was announced in late January 2006 ).

By the mid-to-late 1990s, the call letters were minimized to be just barely readable to FCC requirements.

By 1941, the FCC allocated TV channels 1 and 12 for the W9XUI television station.

By nearly all accounts, Sinclair has used Glencairn / Cunningham as a shell corporation to evade FCC ownership rules.

By the time the " freeze " was lifted in 1952, the FCC granted smaller cities such as Steubenville, Ohio ; Wheeling, West Virginia ; Clarksburg, West Virginia ; Johnstown, Pennsylvania ; Altoona, Pennsylvania ; Youngstown, Ohio ; and Erie, Pennsylvania the chance to sign on before more stations in Pittsburgh signed on.

By 1971, the Federal Communications Commission ( 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.

By this point however, the FCC had overturned these rules that had disallowed a duopoly of stations in a market, and the sale to Sinclair did go through despite these objections.

By 1975 WHYY had stopped operating the UHF station, and eventually returned its license to the FCC.

By 1993, the FCC requires that all newly manufactured televisions have the decoding chip.

By about 1972, WPEN-FM was simulcasting WPEN 50 % of the time ( the maximum allowed by FCC regulations in those years ) and playing adult contemporary music without disc jockeys during non-simulcast hours.

" By degrees order was introduced in the groups of huts.

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 1987 Ethernet was clearly winning the standards battle over Token Ring, and in the middle of that year Apple introduced EtherTalk 1. 0 for the newly released Macintosh II computer.

By the end of the Ming Dynasty, Xu Guangqi introduced 23 asterisms of the southern sky based on the knowledge of western star charts.

By regulating the processing parameters — especially the gases introduced, but also including the pressure the system is operated under, the temperature of the diamond, and the method of generating plasma — many different materials that can be considered diamond can be made.

By 1992 the cost of typical recorders was down to $ 10 – 12, 000, and in September 1995 Hewlett-Packard introduced its model 4020i manufactured by Philips, which at $ 995 was the first recorder to cost less than $ 1000.

By the mid-19th century, however, the powerful British Empire gave up mercantilism and trade restrictions and introduced the principle of free trade, with few restrictions or tariffs.

By way of contrast, when introduced in 1985, the Amiga had compared favorably against 286-based systems with EGA graphics and rudimentary sound capabilities that frequently cost 2 – 3 times as much.

By January 1972, Berg introduced through his letters that he was God's prophet for this time, further establishing his spiritual authority within the group.

By the time DDT was introduced in the U. S., the disease had already been brought under control by a variety of other means.

By 1936, the Slingerland company introduced a wooden solid body electric model.

By around the 31st century BC, writing, the wheel, and other such innovations had been introduced.

By the time the entire cast joined in, the sketch was introduced by Cathy Baker.

By the time it was introduced, many considered the appearance dated.

By 1937, all Harley-Davidson's flathead engines were equipped with dry-sump oil recirculation systems similar to the one introduced in the " Knucklehead " OHV engine.

By August 1993, both Molson and Labatt had introduced ice beer products in Canada, with Labatt having captured a 10 % market share.

By contrast, in the Netherlands kickboxing was introduced in its Japanese form, by Jan Plas and Thom Harinck who founded NKBB ( The Dutch Kickboxing Association ) in 1976.

By the end of WWII all forces had widely introduced unguided rockets using HEAT warheads as their major anti-tank weapon ( see Panzerfaust, Bazooka ).

By 1989, with a definitive model name now chosen, the MX-5 ( as in " Mazda Experiment ", project number 5 ) was ready to be introduced to the world as a true lightweight sports car, weighing just.

By the time the PDP-8 / E was introduced, electronic logic had become less expensive and " one-cycle data break " became more popular.

By abandoning English constitutionalism and creating a new republic based on the rights of the individual, the North Americans introduced a new force in the world.

By the early 20th century, interest in reincarnation had been introduced into the nascent discipline of psychology, largely due to the influence of William James, who raised aspects of the philosophy of mind, comparative religion, the psychology of religious experience and the nature of empiricism.

By the 1970s, critics within the field such as Terry Carr and Damon Knight were using sci-fi to distinguish hack-work from serious science fiction, and around 1978, Susan Wood and others introduced the pronunciation " skiffy ".

By loan-translation, the tengwar became known as tîw ( singular têw ) in Sindarin, when they were introduced to Beleriand.

By 1912, 239 political parties at both the state and national level had pledged some form of direct election, and 33 states had introduced the use of direct primaries.