Since 1990, AIX has served as the primary operating system for the RS / 6000 series ( later renamed IBM eServer pSeries, then IBM System p, and now IBM Power Systems ).

Since German reunification on 3 October 1990, Berlin has been one of the three city states, together with Hamburg and Bremen, among the present 16 states of Germany.

Since the transition to a democratic government in 1990, Benin has undergone an economic recovery.

Since 1990, Bulgaria has an unstable party system, in the past two decades differently dominated by the post-communist Bulgarian Socialist Party or by the right Union of Democratic Forces and recently by the new right-oriented party-Citizens for European Development of Bulgaria.

Since its return to democracy in 1990, Chile has been an active participant in the international political arena.

Since 1990, the ACR and the Czech Armed Forces have contributed to numerous peacekeeping and humanitarian operations, including IFOR, SFOR, and EUFOR Althea in Bosnia, Desert Shield / Desert Storm, Afghanistan, Kosovo, Albania, Turkey, Pakistan and with the Coalition forces in Iraq.

Since then they have had four separate periods in the top flight of English football: between 1936 – 1957, 1986 – 1990, 1998 – 1999 and 2000 – 2007.

* Rummel, Rudolph Joseph ( 1990 ) Lethal Politics: Soviet Genocide and Mass Murder Since 1917.

Since 1990 half of the world's rain forests have been destroyed.

Since 1993, the Eritrean People ’ s Liberation Front army has been involved in tree planting ; the annual average rate of deforestation during 1990 – 2000 was 0. 3 percent.

Since 1990, Estonia lost about 15 % of its population ( 230, 000 people ).

Since 1990 there has been an emergence of a German minority group, Elbinger Minderheit.

Since 1951, Germany has been at the heart of European Integration and after German reunification in 1990 further promoted peaceful integration with its neighbors.

Since 1990 ECOWAS has been engaged in a peacekeeping mission in Liberia to which Ghana has contributed a large contingent of troops.

Since the reunification of 1990, Schwarzbier, which was common in East Germany, but could hardly be found in West Germany, has become increasingly popular in Germany as a whole.

Since 1990, Hungary's top foreign policy goal has been achieving integration into Western economic and security organizations.

Since German reunification in 1990, and the accession of some Central European and Baltic States into the European Union in 2004, the Port of Hamburg has restarted ambitions for regaining its position as the region's largest deep-sea port for container shipping and its major commercial and trading centre.

Since 1990, Hezbollah has been accused of the following attacks and attempted attacks.

Since Lithuania declared independence on March 11, 1990, it kept strong democratic traditions.

Since 1990, more than 1, 500 foreign companies from 61 countries have invested a total of $ 338. 3 million in Mongolia.

Since then, it has undergone seven revisions, in 1990 ( London ), 1991 ( Nairobi ), 1992 ( Copenhagen ), 1993 ( Bangkok ), 1995 ( Vienna ), 1997 ( Montreal ), and 1999 ( Beijing ).

Since Independence in 1990, Namibia has seen a dramatic growth in radio stations, with both commercial ( for instance Radio 99, Radio Wave, Radio Energy, Omulunga Radio, West Coast FM, etc.

Since 1990 the mission of the EPS has been to ensure the security of the national borders and to deal with internal disturbances.

Since 1990, the NTSB has maintained a Most Wanted List of Transportation Safety Improvements, in which it highlights those recommendations that would provide the most significant — and sometimes immediate — benefit to the traveling public.

Since two of these could be trustees of the college, actually it would be necessary to have the consent of only one elected official to impose a levy of millions of dollars of tax revenue.

Since accurate base maps are necessary for any planning program, the first step taken by the planning division to implement the long-range state plan has been to prepare two series of base maps -- one at a scale of 1 inch to a mile, and the second a series of 26 sheets at a scale of 1 inch to 2000 feet, covering the entire state.

A final class of exceptional lines is identifiable from the following considerations: Since no two generators of Af can intersect, it follows that their image curves can have no free intersections.

Since two curves of symbol Af on Q intersect in Af points, it follows that there are Af lines of Af which are tangent to Aj.

Since Parts 1, and 2, were prepared independently, the abbreviation schemes and the chemical symbols used differ in the two parts.

Since the days when their two thousand pairs of skis outnumbered those assembled anywhere else in the United States, the students have stopped regarding the Olympic Ski Team as another name for their own.

( page 33 ) On the other hand, a little later on he says: `` Since 1692 a great but superficial change has wiped out God's beard and the Devil's horns, but the world is still gripped between two diametrically opposed absolutes.

Since the hero, a sterling and upright fellow, is a rich Brown senior, while two Yalies are cast as virtual rapists, I suppose I should disqualify myself from sitting in judgment on `` Where The Boys Are '', but I shall do nothing of the sort.

Since the 1950s, this type of fiction has to a large extent merged with science fictional tropes involving cross-time travel between alternate histories or psychic awareness of the existence of " our " universe by the people in another ; or ordinary voyaging uptime ( into the past ) or downtime ( into the future ) that results in history splitting into two or more time-lines.

Since complex scalar fields admit two different kinds of annihilation operators, which are related by conjugation, such fields describe charged bosons.

Since the 1960s, composite airframes and quieter, more efficient engines have become available, and Concorde provided supersonic passenger service for more than two decades, but the most important lasting innovations have taken place in instrumentation and control.

Since the English Reformation, the Church of England has been more explicitly a state church and the choice is legally that of the British crown ; today it is made in the name of the Sovereign by the Prime Minister, from a shortlist of two selected by an ad hoc committee called the Crown Nominations Commission.

Since its video release it has acquired a cult following, along with the other two films in the trilogy.

Since 1961, only two new parties ( Bündnis 90 / Die Grünen and PDS / Die Linke ) have entered the Bundestag.

Since these two constructions are inverses of each other, we can say that every Boolean ring arises from a Boolean algebra, and vice versa.

* Since Big Brother 2, the UK series always opens with a twist which have included the public being able to choose the final housemate out of three possibilities ( Big Brother 2 ), the public voting for a housemate to leave during the first week and then the housemates choosing between the two housemates with the least number of votes ( Big Brother 3 ), First Night Nominations ( Big Brother 4 ), Suitcase Nominations ( Big Brother 5 ), Unlucky Housemate 13 ( Big Brother 6 ), Big Brother Hood ( Big Brother 7 ), an all-female House and the first inclusion of twins as contestants ( Big Brother 8 ), the first couple to enter as housemates and set a secret task to hide their real relationship ( Big Brother 9 ), all " housemates " really being " non-housemates " who had to earn their housemate status ( Big Brother 10 ), a mole entering the House with an " Impossible Task " ( Big Brother 11 ), Jackie Stallone entering a house containing her son's ex-wife ( Celebrity Big Brother 3 ), the entrance of a non-celebrity in a celebrity edition ( Celebrity Big Brother 4 ) and Jade Goody's family announced to be visiting.

Since these are a basis, any quantum state of the particle can be expressed as a linear combination ( i. e., quantum superposition ) of these two states:

Since then, with several relaunches, an increase in funding and resources from the BBC and improvements in digital television technology, the channel has been able to diversify content, with two minute looped bulletins available to view via BBC Red Button, BBC News Online and the BBC's mobile website, alongside individual weather and sport bulletins.

Since this is a second-order differential equation, there must be two linearly independent solutions.

Since the following two hundred years saw the rise of the Classical Greek civilization, which has been enduringly influential in western society, the Battle of Marathon is often seen as a pivotal moment in European history.

Since the late nineteenth century, only two brief periods of violence have marred its democratic development.

Since 1974, the internationally recognised Republic of Cyprus has controlled the south two thirds, and the Turkish Republic of Northern Cyprus the northern one-third.

Since 1964, following clashes between the two communities, the Turkish Cypriot seats in the House remained vacant, while the Greek Cypriot Communal Chamber was abolished.

Since these are two very different referents, the validity of the term has been called into question.