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 late 1980s, the cellular industry's subscriber base had grown into the millions across America and it became necessary to add channels for additional capacity.

By the 1980s, many of Balsall Heath's houses were in a dilapidated condition, some were still without bathrooms or indoor toilets.

Boroughs proliferated in the suburban areas of the larger cities: By the 1980s there were 19 boroughs and three cities in the area that is now the City of Auckland.

By the 1980s many colleges had recognised a community need for computer training and since then thousands of people have been up-skilled through IT courses.

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 the late 1980s, the personal computer market had become dominated by the IBM PC and Apple Macintosh platforms.

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 1980s, widely popular drummers like Billy Cobham, Carl Palmer, Nicko McBrain, Phil Collins, Stewart Copeland and perhaps most notably Neil Peart were using large numbers of drums and cymbals and had also begun using electronic drums.

By the 1980s, the economic viability of the islands was in doubt, but after the Falklands War there was a new commitment from the United Kingdom government.

By the 1970s and 1980s, true female heroes started to emerge on the pages of comics.

By the late 1940s, Oral Roberts was well known, and he continued with faith healing until the 1980s.

By the 1980s, the original Gumby shorts had enjoyed a revival, both on television and home video.

By the end of the 1980s, Hackman alternated between leading and supporting roles, earning another Best Actor nomination for Mississippi Burning.

By the late 1980s Solidarity, a Polish reform movement, became crucial in causing a peaceful transition from a communist state to the capitalist system and parliamentary democracy.

By the 1980s, though, as living standards increased, many instruments that were once too expensive to buy could be bought by the Taiwanese in preference to the harmonica.

In the early 1980s, Jarmusch was part of a revolving lineup of musicians in Robin Crutchfield's Dark Day project, and later became the keyboardist and one of two vocalists for The Del-Byzanteens, a No Wave band whose sole LP Lies to Live By was a minor underground hit in the United States and Britain in 1982.

By the early 1980s, the radical experiments of early 1970s-era fusion gave way to a more radio-friendly sounds of smooth jazz.

By the early 1980s, the Bakkers had built Heritage USA in Fort Mill, South Carolina, ( south of Charlotte ), then the third most successful theme park in the US, and a satellite system to distribute their network 24 hours a day across the country.

By the 1970s and 1980s the sport had expanded beyond Japan and had reached North America and Europe.

By the end of the 1980s, membership had fallen to just over 6, 000, 000 — little more than half the level of a decade earlier — and it also counted against the Labour Party's hopes of regaining power, as its relationship with the trade unions had traditionally been seen as a strength but after the Winter of Discontent it was seen as a liability.

By the 1980s, financiers grew increasingly confident in the musical genre, partly buoyed by the relative health of the musical on Broadway and London's West End.

By the early 1980s the postmodern movement in art and architecture began to establish its position through various conceptual and intermedia formats.

By the 1980s, many mainframes supported graphical terminals, and terminal emulation, but not graphical user interfaces.

By the early 1980s, quantities of 68000 CPUs could be purchased for less than $ 30 USD per part.

By the late 1980s, the 68000 was inexpensive enough to power home game consoles, such as Sega's Mega Drive ( Genesis ) console.