While not publishing mathematical research in conventional ways during the 1980s, he produced several influential manuscripts with limited distribution, with both mathematical and biographical content.

During the 1980s, several thrash metal bands formed a prototype for black metal.

Love initially began several music projects in the 1980s, first forming Sugar Babydoll, and then having a brief stint as a singer in Faith No More after " demanding " them to let her be in their band.

The M-19 and several smaller guerrilla groups were successfully incorporated into a peace process as the 1980s ended and the 1990s began, which culminated in the elections for a Constituent Assembly of Colombia that would write a new constitution, which took effect in 1991.

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.

CND's growing support in the 1980s provoked opposition from several sources, including Peace Through Nato, the British Atlantic Committee ( which received government funding ), Women and Families for Defence ( set up by conservative journalist Lady Olga Maitland to oppose the Greenham Common Peace Camp ), the Conservative Party's Campaign for Defence and Multilateral Disarmament, the Coalition for Peace through Security, the Foreign Affairs Research Institute, and The 61, a private sector intelligence agency.

Spain, Portugal ( 1974 ), and several of the military dictatorships in South America returned to civilian rule in the late 1970s and early 1980s ( Argentina in 1983, Bolivia, Uruguay in 1984, Brazil in 1985, and Chile in the early 1990s ).

A series of other factors heightened tensions during the 1980s and 1990s, including several provocative actions by Philadelphia fans and Eagles head coach Buddy Ryan.

The gay and lesbian rights movement in the 1970s and 1980s raised the issue by publicizing several noteworthy dismissals of gay servicemembers.

Starting in the late 1970s to the early 1980s, several types of video production equipment were introduced, such as time base correctors ( TBC ) and digital video effects ( DVE ) units ( one of the former being the Thomson-CSF 9100 Digital Video Processor, an internally all-digital full-frame TBC introduced in 1980, and two of the latter being the Ampex ADO, and the Nippon Electric Corporation ( NEC ) DVE ).

Enya is featured in featurettes included with the 2003 BBC Video DVD release of The Celts, including performances of several songs videotaped in the late 1980s.

They were the first in Europe to gain the franchise, and by the 1980s they routinely constituted about one-third of the membership of the Eduskunta ( parliament ) and held several ministerial posts.

Since the 1980s, several cities have re-introduced it.

Elizabeth Heger Boyle reported several studies during the 1980s and 1990s where the women said they were able to enjoy sex, though with Type III the risk of sexual dysfunction was higher.

During the early 1980s, Cossiga attacked several times the antimafia judges and spoke in favour of judge Corrado Carnevale, a member of the Corte di Cassazione ( Italy's supreme court ) who had annulled numerous sentences against mafia leaders and was later tried for these actions.

In the late 1980s and early 1990s, however, the CGT leadership developed close ties to the National Party of Honduras ( Partido Nacional de Honduaras — PNH ), and several leaders served in the Callejas government.

Its affiliations included water utility, university, electricity company, brewery, and teacher unions, as well as several peasant organizations, including the National Central of Farm Workers ( Central Nacional de Trabajadores del Campo — CNTC ), formed in 1985 and active in land occupations in the early 1980s.

Some disco songs incorporated sounds produced with synthesizers and drum machines, and some compositions were entirely electronic ; examples include Giorgio Moroder's late 1970s productions such as Donna Summer's hit single " I Feel Love " from 1977, Cerrone's Supernature ( 1977 ), Yellow Magic Orchestra's synth-disco-pop productions from their self-titled album ( 1978 ), Solid State Survivor ( 1979 ), and several early 1980s disco-pop productions by the Hi-NRG group Lime.

Although several games based on the HERO System were published in the 1980s, including Champions, Danger International, Justice, Inc., Robot Warriors and the original versions of Fantasy HERO and Star HERO, each of the RPGs was self-contained, much as Chaosium's Basic Role-Playing games are.

As in prior weak financial markets and prolonged economic slowdowns, hedge funds again lost popularity during the downturn of the 1970s but received renewed attention in the late 1980s, following the success of several funds profiled in the media.

In the mid 1980s, Frost released several pre-gangsta 12 " singles on Los Angeles-based labels Electrobeat, and Baja.

The War can be divided broadly into several periods: The initial outbreak in the mid-1970s, the Syrian and then Israeli intervention of the late 1970s, escalation of the PLO-Israeli conflict in the early 1980s, the 1982 Israeli invasion, a brief period of multinational involvement, and finally resolution which took the form of Syrian occupation.

In the 1980s, Sayyid was involved in the dissident assassination campaign and allegedly responsible for several deaths in Europe.

Ladas were sold as a budget ' no-frills ' vehicle in several Western nations during the 1970s and 1980s, including Canada, the United Kingdom, France, Belgium, Luxembourg and the Netherlands, though trade sanctions banned their export to the United States.

* AirLand Battle, blitzkrieg-like doctrine of US Army in 1980s

There are process and product guidelines in Europe that date to the early 1980s ( Germany, the Netherlands, Switzerland ) and only more recently in the UK and the US.

The early 1980s saw further chart successes in the US with " Since I Don't Have You ", a new recording of " Castles in the Air " and " It's Just the Sun ".

Ecuador became a relatively heavy importer of arms in the late 1970s and early 1980s, averaging US $ 150 million annually and reaching a peak of US $ 280 million in 1982.

Although Johnson would attest in a 1984 radio interview that the " two tribes " of the song potentially represented any pair of warring adversaries ( giving the examples of " cowboys and Indians or Captain Kirk and Klingons "), the song does contain the line " On the air America / I modelled shirts by Van Heusen ", a clear reference to then US President Ronald Reagan, who had advertised for Phillips Van Heusen in 1953 ( briefly reviving the association in the early 1980s ), and whose first film had been titled Love Is On The Air.

Over a million Guatemalan emigrants went to the US in the 1980s and 1990s for a better life mostly because of the Civil War.

Tiny Honduras soon became the tenth largest recipient of United States assistance aid ; total economic and military aid rose to more than US $ 200 million in 1985 and remained at more than US $ 100 million for the rest of the 1980s.

Events during the 1980s in El Salvador and Nicaragua led Honduras — with US assistance — to expand its armed forces considerably, laying particular emphasis on its air force, which came to include a squadron of US-provided F-5s.

In addition, the presence of US banks, manufacturers, and service providers expanded, especially after the industrial and financial sector reforms of the 1980s.

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.

The US Army had a group of officers in the early 1980s who promoted maneuver warfare tactics, and who were derisively known as Jedi by more conventional officers who were satisfied with attrition tactics and methods.

Due to an embargo during the 1980s, the system could not be upgraded following the US attack.

After its early 1980s introduction, it was used by the Israeli Isayeret and the US Secret Service.

Michael Robert Milken ( born July 4, 1946 ) is an American business magnate, financier, and philanthropist noted for his role in the development of the market for high-yield bonds ( also called " junk bonds ") during the 1970s and 1980s, for his 1990 guilty plea to felony charges for violating US securities laws, and for his funding of medical research.

Milken's compensation, while head of the high-yield bond department at Drexel Burnham Lambert in the late 1980s, exceeded $ 1 billion in a four-year period, a new record for US income at that time.

In the 1980s and 1990s, much of the original 1950s roadside infrastructure on now-bypassed US Highways had fallen into decline and was being razed for development.

Like in the US, the number and variety of motels in Canada grew dramatically after World War II, peaking in the 1960s and declining by the 1980s.

In the 1980s, a popular movement for nuclear disarmament again gained strength in the light of the weapons build-up and aggressive rhetoric of US President Ronald Reagan.

In the US in the early 1980s these bands were joined by the Paisley Underground movement, based in Los Angeles, with acts like Dream Syndicate, The Bangles and Rain Parade.

In the 1980s, upon the death of one of the US Military men, the Theft of medieval art from Quedlinburg came to light.

During the 1980s the Australian attempts to emulate big-budget US soap operas such as Dallas and Dynasty had resulted in Taurus Rising and Return to Eden, two slick soap opera dramas with big budgets and shot entirely on film.

There was a sharp decrease in new orders in the late 1980s ; new orders for 1988 totaled 3 million gross tons valued at US $ 1. 9 billion, decreases from the previous year of 17. 8 percent and 4. 4 percent, respectively.