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 he was no longer physically qualified for flying, he was transferred to RAF Intelligence and seconded to MI9, a unit that was dedicated to supporting resistance movements and helping prisoners escape.

Since 1968 all commands of the Royal Air Force are housed at RAF High Wycombe.

Since 1971, RAF Woodvale has remained a training station and is currently home to:

Since the above had been released, there are now rumours that RAF Leuchars will be retained as a Typhoon base as the requirement for more Typhoon squadrons has finally been realised by the coalition government.

Since then the RAF Waddington International Air Show has developed into the largest of all Royal Air Force air shows.

Since June 2007 the Typhoons of No. 3 ( F ) Squadron have formed part of air defence of the UK along with RAF Leeming near Northallerton in North Yorkshire and RAF Leuchars near St Andrews, Fife, Scotland, both of which were equipped with Tornado F3 fighters but Leeming lost its last Tornados in 2008 with the disbandment of 25 Squadron and its concentration on being the RAF's communications hub.

Since that time, with operational tempo increasing the seven year C-17 lease has been extended and it is reported that the RAF will purchase them outright at the end of the lease and operate them alongside the A400M and C130 fleet.

Since it was immobile, it suffered from the same vulnerability as Germany's V-3 cannon, which the RAF readily destroyed in 1944.

Since 2005, no more RAF airmen have been promoted to this rank, being promoted to SAC Technician instead.

Since its formation, it has been manned exclusively by officers and men of the RAF Regiment.

Since the incoming missile warning from RAF Fylingdales BMEWS was only four minutes before impact this ensured if the country came under attack, the bombers would be scrambled and able to retaliate.

Since 1992, scientists have analysed up to 10, 000 soil samples from the closed RAF Carlisle site and so far have published thirty separate reports.

Since the US Navy's departure from the greater London area, the need for facilities at RAF Daws Hill have greatly diminished and the station is now being vacated.

Since the early 1950s, the 20th Tactical Fighter Wing had been operating from the USAF station at RAF Wethersfield, but this base had a limited potential for development and was awkwardly close to the expanding civilian airport at Stansted.

Since its unification with Pakistan, the East Pakistan Army had consisted of only one infantry brigade, which was made up of two battalions, the 1st East Bengal Regiment and the 1 / 14 or 3 / 8 Punjab Regiment in 1948.

Since this time the Regiment has always had soldiers on operational service overseas.

Since 1904, all ranks of the Royal Scots and King's Own Scottish Borderers have worn them in their full-dress headgear and that tradition is carried on in the dress glengarries of the current Scottish-super regiment, The Royal Regiment of Scotland.

Since then it has been a Signal Corps post, a showcase for US Army's cavalry and since the 1940s, home to the US Army's elite ceremonial units-The US Army Band (" Pershing's Own ") and the US Army's 3d Infantry Regiment (" The Old Guard ").

Since the CCF is attached to the Royal Regiment of Fusiliers, a regiment with the Freedom of the Borough, the cadets are permitted to march with swords drawn, drums beating and colours flying.

Since spring 2005, 10th Field Regiment, 26th Field Regiment and 116th Independent Field Battery have been grouped together as 38 Canadian Brigade Group's ( 38 CBG ) Artillery Tactical Group ( ATG ).

Since the amalgamation of the Gloucestershire Regiment, this tradition has been assumed by the 1st Battalion, Royal Gloucestershire, Berkshire and Wiltshire Light Infantry until its amalgamation into The Rifles in 2007.

Since the Van Heutsz Regiment did not have its colors in 1950, a Dutch flag that was used in Korea as the battle flag of the Nederlands Detachement Verenigde Naties became the regimental colour.

Since then, several Regimental or Brigade Combat Teams have mobilized through Camp Shelby including the 278th Armored Cavalry Regiment ( Tennessee Army National Guard ); the 155th Heavy Brigade Combat Team ( MS ARNG ); the 2nd Brigade Combat Team, 28th Infantry Division ( PA ARNG ); the 56th Stryker Brigade Combat Team, 28th Infantry Division ( PA ARNG ) ; the 53rd Brigade Combat Team ( FL ARNG ); the 1st Brigade Combat Team, 34th Infantry Division ( MN ARNG ); the 41st Brigade Combat Team ( OR ARNG ); the 256th Infantry Brigade Combat Team ( LA ARNG ); and the 116th Cavalry Brigade Combat Team ( ID ARNG ), and the 48th Infantry Brigade Combat Team ( GA ARNG ).

Since 2000, operational activity of the Regiment has concentrated on the Balkans and the Middle East, interspersed with two deployments to Canada in 2002 as OPFOR ( opposing force ) and 2007 as both OPFOR and as a formation reconnaissance battlegroup.

Since 1938, members have worn the red hackle on their khaki tam o ' shanter as a symbol of the regiment's connection with the famous Black Watch Regiment.

Since Prince George of Denmark was Lord Admiral ( and thus was its Honorary Colonel ), it was also known as Prince George of Denmark's Regiment until his death in 1708.

Since 1900, the Regiment has seen overseas service during the Second Boer War and both World Wars, earning 44 battle honours during these campaigns.

Since then, that regiment has itself been amalgamated, merging with the Devonshire and Dorset Regiment ( D and D ), the Light Infantry ( LI ) and the Royal Green Jackets ( RGJ ) to form The Rifles ( RIFLES ).

Since being re-equipped with the ASLAV the 2nd Cavalry Regiment has played a key role in Australian military operations.

Since the creation of Pakistan in 1947, the Punjab Regiment has seen the appointment of four Colonel-in-Chiefs ;

Since 1947, the Regiment has won the following battle honours as part of the Indian Army:

Since the inception of the Special Operations Capable ( SOC ) Marine Expeditionary Unit's ( MEU's ) in support of contingency operations in the Western Pacific, the 1st Marine Regiment has been the SOC Regiment of the 1st Marine Division.

Since 2003 the heritage of the regiment lives on along Route 15 through Maryland, where the Maryland Senate dedicated it as the 115th Infantry Regiment Memorial Highway.

Since service specifically as a VPI unit had been denied, along with the lettered units of the Corps, Major Harvey and fifteen cadets of the Band resigned from VPI and enlisted as individuals with the Second Regiment, along with four VPI alumni and five members of the Blacksburg Glade Cornet Band.