By the 1940s, the term commonly was capitalized, Negro, but by the mid 1960s it was considered disparaging.

By the Roman period brass was being deliberately produced from metallic copper and zinc minerals using the cementation process and variations on this method continued until the mid 19th century.

By the mid late 18th century developments in cheaper zinc distillation such as John-Jaques Dony's horizontal furnaces in Belgium and the reduction of tariffs on zinc as well as demand for corrosion resistant high zinc alloys increased the popularity of speltering and as a result cementation was largely abandoned by the mid 19th century.

By the mid 19th century, many boats had been built with iron or steel frames but still planked in wood.

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 the mid 2000s, bikinis had become a $ 811 million business annually, according to the NPD Group, a consumer and retail information company.

By the mid 1970s, born again Christians were increasingly referred to in the mainstream media as part of the born again movement.

By the mid 20th century, with the growing market for rare coins, the Sheldon system was adopted by the American Numismatic Association and most coin professionals in the North America.

By cutting transportation costs in half or more it became a large profit center for Albany, New York and New York City as it allowed the cheap transportation of many of the agricultural products grown in the mid west of the United States to the rest of the world.

By the mid 19th century, Edward Frankland, F. A.

By the mid to late 2000s, many disco-influenced songs were hits.

By mid century, the cooperative Christian Churches and the independent Christian Churches were following different paths.

By the mid 1970s, there were enough media zines being published that adzines existed just to advertise all of the other zines available.

By the mid 19th century, the South, The city of New Orleans in particular, being situated as a key to commerce on the Mississippi River and in the Gulf, had become the largest U. S. city not on the Atlantic seaboard and the fourth largest in the U. S. overall.

By the mid 17th century, numerous small Dutch and Flemish distillers ( some 400 in Amsterdam alone by 1663 ) had popularized the re-distillation of malt spirit or wine with juniper, anise, caraway, coriander, etc., which were sold in pharmacies and used to treat such medical problems as kidney ailments, lumbago, stomach ailments, gallstones, and gout.

By the mid 1890s, the Golden Dawn was well established in Great Britain, with membership rising to over a hundred and including every class of Victorian society.

By the mid 1960s, Viola Spolin's classes were handed over to her protégé, Jo Forsberg, who further developed Spolin's methods into a one-year course, which eventually became The Players Workshop, the first official school of improvisation in the USA.

By the mid 1970s, Sweden experienced a recession that struck especially hard on the industrial sector ; shipyards and manufacturing industries were hard hit, which led to high unemployment in many cities of Scania.

By mid July, the team found themselves only 10 games out of the division lead.

By mid July, North Korean troops overwhelmed the South Korean and allied American units defending South Korea and forced them back to a defensive perimeter in south-east South Korean known as the Pusan Perimeter.

By the mid to late-1970s some parts of the capitalist world, including South Korea, were creating new industries based around computers, electronics, and other advanced technology in contrast to North Korea's Stalinist economy of mining and steel production.

By mid July they had Somoza and the National Guard isolated in Managua.

By the mid 19th century, the industrial revolution had transformed England and had begun in France.

Whenever any result is sought by its aid, the question will then arise — By what course of calculation can these results be arrived at by the machine in the shortest time?

By terms of the treaty, moreover, Alfred was to have control over the Mercian city of London and its mints — at least for the time being.

By a further act of 1541 — which was not repealed until 1845 — artificers, labourers, apprentices, servants and the like were forbidden to play bowls at any time except Christmas, and then only in their master's house and presence.

By the summer of 1944, victories in the Southwest and Central Pacific had brought the war closer to Japan, with American bombers able to strike at the Japanese main islands from air bases secured during the Mariana Islands campaign ( June — August 1944 ).

By now the rebel forces were said to have numbered 230, 000, however, this number should be treated with scepticism — Dio's account is known only from a late epitome, and ancient sources commonly exaggerate enemy numbers.

By 1914, around 100 people — men, women, and children — were living on Clipperton Island, resupplied every two months by a ship from Acapulco.

Confucius never stated whether man was born good or evil, noting that ' By nature men are similar ; by practice men are wide apart ' — implying that whether good or bad, Confucius must have perceived all men to be born with intrinsic similarities, but that man is conditioned and influenced by study and practise.

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 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 the 1980s, several independent publishers, such as Pacific, Eclipse, First, Comico, and Fantagraphics had started releasing a wide range of styles and formats — from color superhero, detective, and science fiction comic books to black-and-white magazine-format stories of Latin American magical realism.

By connecting outward light to inward light, via an interaction point, this equation stands for the whole ' light transport ' — all the movement of light — in a scene.

By conceiving a timeless setting — " a vanished age " — and by carefully choosing names that resembled human history, Howard shrewdly avoided the problem of historical anachronisms and the need for lengthy exposition.

By adopting the name Chung-cheng (" central uprightness "), he was choosing a name very similar to the name of Sun Yat-sen, who was ( and still is ) known among Chinese as Zhongshan ( 中山 — meaning " central mountain "), thus establishing a link between the two.

By the end of this conflict, Commodore had shipped somewhere around 22 million C64s — making the C64 the best selling computer of all time.

" By the end of the following year he had taken up the ukelele and tea-chest bass and begun to participate in skiffle sessions with friends, and had started to play the piano ; meanwhile his stage presentation of numbers by both Presley and Chuck Berry — complete with gyrations in tribute to the original artists — to his local Wolf Cub group was described as " mesmerizing ... like someone from another planet.

By definition, this classifies it as both a river and a strait — a strait being a narrow passageway connecting two large bodies of water.

By 1859 — known by Ecuadorian historians as the Terrible Year — the nation was on the brink of anarchy.

By 1993 — nine months ahead of schedule — the military had cut personnel from a war-time high of 63, 000 to the level of 32, 000 required by the peace accords.