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 — 18th century the French chemist Charles François de Cisternay du Fay had discovered two types of static electricity, and that like charges repel each other whilst unlike charges attract.

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.

By the 1990s, however, mentalité history had become interdisciplinary to the point of fragmentation, but still lacked a solid theoretical basis.

By the early 1990s, commercial flights connected Comoros with France, Mauritius, Kenya, South Africa, Tanzania, and Madagascar.

By the 1990s, the US had adopted the M4 carbine, a derivative of the M16 family which fired the same 5. 56mm cartridge but was lighter and shorter ( in overall length and barrel length ), resulting in marginally reduced range and power.

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 early 1990s, the performance of microprocessor-based computers reached the point that real-time generation of computer music using more general programs and algorithms became possible.

By the 1990s, many of these bands and artists had disbanded, were no longer performing, or were being carried by independent labels because their music tended to be more lyrically complex ( and often more controversial ) than mainstream Christian pop.

By contrast, the Soviet Union's transition was much more problematic and its successor republics faced a sharp decline in GDP during the early 1990s.

By the end of the 1980s, the economy had made a healthy recovery, which weakened in the 1990s due to a decrease in banana prices.

By the early 1990s there was sufficient interest among his seminar graduates to launch a collaborative implementation of his work, and the Bootstrap Alliance was formed as a non-profit home base for this effort.

By the 1990s the majority of deforestation was caused by industrial factors, including extractive industries, large-scale cattle ranching, and extensive agriculture.

By the early 1990s, however, relational systems were dominant for all large-scale data processing applications, and they remain dominant today ( 2012 ) except in niche areas.

By the late 1990s, however, the focus had shifted to health care fraud, which now accounts for the majority of cases filed by whistleblowers and by the government.

By the end of the 1990s, 11 fishing farms were registered in Guadeloupe and experiments are under way to catch and market fish in order to respond to growing demand.

By the late 1990s, Gopher had largely ceased expanding.

By the early 1990s, conflicts developed in the Microsoft / IBM relationship.

By the 1990s, farm laborers had nearly all moved on, leaving owners of small farms.

By the early 1990s many small independent luthiers began making archtop guitars.

By the 1990s, however, these gathering systems were breaking down in many areas.

By the end of the 1990s, he was appearing only in the occasional commercial, largely because of health problems ( in 1995, he was diagnosed with T-cell lymphoma ).

By the late 1990s, private meteorite-collecting expeditions had been launched throughout the Sahara.

By the late 1990s, many personal computer motherboards supported a full range of audio, video, storage, and networking functions without the need for any expansion cards at all ; higher-end systems for 3D gaming and computer graphics typically retained only the graphics card as a separate component.

By the late 1990s MIPS was a powerhouse in the embedded processor field, and in 1997 the 48-millionth MIPS-based CPU shipped, making it the first RISC CPU to outship the famous 68k family.

By the mid-1990s, work on microkernel systems was largely dead, despite the market generally believing that all modern operating systems would be microkernel based by the 1990s.

By the early 1990s, Silicon Graphics ( SGI ) was a leader in 3D graphics for workstations.

By the 1990s, punk rock was sufficiently ingrained in Western culture that punk trappings were often used to market highly commercial bands as " rebels ".