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 1991 the Parc Natural de l ' Albufera has also been included in the Special Protection Areas ( Zepa in Spanish ).

Since 2005, each issue of Nature has been accompanied by a Nature Podcast featuring highlights from the issue and interviews with the articles ' authors and the journalists covering the research.

Since 1989, McGann has concentrated primarily on television work, including Nice Town and Nature Boy for the BBC, and The One That Got Away and the second series of Hornblower for ITV.

Since 1991 the Grand Traverse Regional Land Conservancy had maintained a nature preserve along Upper Herring Lake ( the Upper Herring Nature Preserve ).

Since 1979, Suzuki has hosted The Nature of Things, a CBC television series that has aired in nearly fifty countries worldwide.

Since 2004 the lake has been the focus of a massive Water and Nature Initiative by the IUCN.

Since that time, Lightman's essays, short fiction, and reviews have also appeared in The American Scholar, The Atlantic Monthly, Boston Review, Dædalus, Discover, Exploratorium, Granta, Harper's Magazine, Harvard Magazine, Inc Technology, Nature, The New York Review of Books, The New York Times, Science 86, The Sciences, Story, Technology Review, and World Monitor.

Since first being assessed by the International Union for Conservation of Nature in 1988, populations of Rüppell's Vulture have declined.

Since its formation in 1951 The Nature Conservancy has slowly developed into one of the world ’ s largest conservation organizations.

Since its beginnings The Nature Conservancy has understood the benefit in taking a scientific approach towards habitat conservation.

Since it is located halfway between the cities of Geneva and Lausanne, many international companies and organizations have offices in Gland, among others Sun Microsystems, IUCN ( International Union for Conservation of Nature ), the Ramsar Convention and World Wide Fund for Nature.

Since its Nature Club in the 1930s, the Academy has offered programming just for children.

Since 1959, Đavolja Varoš has been protected by the state, and it is also a nominee in the New Seven Wonders of Nature campaign.

Since 2006, the International Union for the Conservation of Nature ( IUCN ) has convened the Western Gray Whale Advisory Panel ( WGWAP ), consisting of marine scientists who provide expert analysis and advice concerning impacts on the endangered western gray whale population from oil and gas projects in the area, including Sakhalin-I.

Since 1954 the island is owned by the Swedish Society for Nature Conservation and it is now a nature reserve.

Since the report by Care for the Wild International, a coalition of 39 prominent conservation groups, including the Humane Society International, the Association of Zoos and Aquariums, the World Society for the Protection of Animals and the World Wide Fund for Nature, have penned a letter to the Director General of National Parks in Thailand under the name ' The International Tiger Coalition '.

Since 2003, The Nature Conservancy and other organizations have been working to restore about of wetlands in the Williamson River delta at the north end of Upper Klamath Lake.

Since April 4, 1988, the Formigas Bank has the status of Nature Reserve and is protected by a decree in the Azorean Regional Assembly ( Regional Legislative Decree Nº11 / 88 / A ), but it is also considered a European Site of Community Importance ( Rede Natura 2000 ).

Since its debut, Second Nature has become a regular part of campus life at USC, and has begun the careers of several comedians, actors, and directors.

Since the universe exists as an idea in the mind of the Absolute, absolute idealism copies Spinoza's pantheism in which everything is in God or Nature.

Since the early 1990s, partly as a result of the discovery of rhinos in the park, international donors and the Vietnamese government began to invest more money in protecting the park and managing the resources of local State Forest Enterprises, nearby and adjoining forests ( including Vinh Cuu Nature Reserve ), in co-ordination with the park as a whole.

Since 1998 the islands are part of the Chagos Archipelago Strict Nature Reserve and it is forbidden to land on the islands or anchor a boat nearby.

Since 1998 the islands are part of the Chagos Archipelago Strict Nature Reserve and it is forbidden to land on the islands or anchor a boat nearby.

Since 1975 it has been managed as a nature preserve by The Nature Conservancy, following the Management Plan and Baseline Study for Goose and Deadman Island Preserves, along with Deadman Island.