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 1990 two variants of this song have been heard-adapted for both her successors ; replacing ' Major ' for ' Maggie ' during the tenure of John Major and ' Tony ' for ' Maggie ' since Tony Blair's plan for the Iraq War in 2003.

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 Mrs. Calhoun remembered only that the marriage had been in the spring, he started to plod through several months.

Since then commercial interest in mouthwashes has been intense and several newer products claim effectiveness in reducing the build-up in dental plaque and the associated severity of gingivitis ( inflammation of the gums ), in addition to fighting bad breath.

Since 1991, several thousand students from 21 countries have come to Achill to study and participate in ongoing excavations.

Since its disappearance from the Biblical narrative, there have been a number of claims of having discovered or of having possession of the Ark, and several possible places have been suggested for its location.

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 1916, there have been several different nutrition guidelines issued by the United States government, eventually leading up to the food pyramid.

Since several elements are gases at commonly encountered temperatures, their densities are usually stated for their gaseous forms ; when liquefied or solidified, the gaseous elements have densities similar to those of the other elements.

Since its construction, the tunnel has faced several problems.

Since its arrival in 1974, what is known as Danza Azteca in the U. S., ( and known by several names in its homeland of the central States of Mexico: danza Conchera, De la Conquista, Chichimeca, and so on.

Since Chinese traditional thought focuses more on ethics rather than metaphysics, it has developed several schools distinct from the originating Indian schools.

Since 1987, the CRTC has been involved in several controversial decisions:

Since Engelbart introduced the keyset, several different designs have been developed based on similar concepts.

Since these first accounts, Bulgarian authorities had organized several population censuses: 1892, 1900, 1905, 1910, 1920, 1926, 1934, 1946, 1956, 1965, 1975, 1985, 1992, 2001 and 2011.

Since the 1990s, several novel classes of antiemetics have been developed and commercialized, becoming a nearly universal standard in chemotherapy regimens, and helping to successfully manage these symptoms in a large portion of patients.

Since then several beta keys have been handed out to those who have completed an online survey.

Since then the standard has been enhanced several times with added features.

Since his university retirement Husserl had " worked at a tremendous pace, producing several major works.

Since life began on Earth, several major mass extinctions have significantly exceeded the background extinction rate.

Since then, there have been several issues of agreement as well as of dispute.

Since Everquest's release, Sony Online Entertainment has added several EverQuest-related games.

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

Since the turn of the 21st century, several additional professionals are now routinely listed in the production credits on most major motion pictures.

Since they are based on several independent sets of measurements taken decades apart by different observers with different instruments, systematic errors may have influenced them.

" Since these tablets predate the Sulbasutras period by several centuries, taking into account the contextual appearance of some of the triples, it is reasonable to expect that similar understanding would have been there in India.

Since 1994, Lineker has featured in several television commercials for Walkers Crisps.