Since 1997, the Minsk Group Co-Chairs have presented three proposals to serve as a framework for resolving the conflict.

* Since 1997, a series of cultural, art, music and entertainment events have taken place in November at various locations in the town, under the title, Novembernebel ( November fog )

Since 1997, Autumn has been one of the top 100 names for girls in the United States.

Since then, Nike then Adidas have had more overt branding on the shirts, with sponsors Scottish Provident ( 1997 ), NTL ( 2001 ), Zurich ( 2005 ) and HSBC ( 2009 ).

Since their coming to power in 1997, controversies affecting the Labour Government such as David Blunkett's affair with Spectator editor Kimberly Fortier and financial scandals involving senior ministers and officials shifted the focus to sleaze within the Labour Party.

* International Dialects of English Archive Since 1997

Since 1997 public authorities have been obliged to observe the official spelling by way of the Orthography Law.

Since 1997, the landscape of Dublin has changed immensely.

Since 1997, the ILAE have been working on a new scheme that has five axes: ictal phenomenon, ( pertaining to an epileptic seizure ), seizure type, syndrome, etiology, impairment.

Since the 1997 handover Hong Kong's economic future became far more exposed to the challenges of economic globalisation competition directly from mainland China.

Since 1997 it has been in the hands of a private developer, on a long term lease, which has transformed the property into a world class resort.

Since Miyagi's time, many composers such as Tadao Sawai ( 1937 – 1997 ) have written and performed works that continue to advance the instrument.

Since the election of the Labour Government in 1997, there have been many changes in UK employment law.

Since 1997, all newly-found Mersenne primes have been discovered by the “ Great Internet Mersenne Prime Search ” ( GIMPS ), a distributed computing project on the Internet.

Since 1978 black membership has grown, and in 1997 there were approximately 500, 000 black members of the church ( about 5 % of the total membership ), mostly in Africa, Brazil and the Caribbean.

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

Since 1997 there has been a steady stream of illegal emigration to China, despite the efforts of both countries to prevent it.

Since 1997 Sardinian has been an official language on the island, together with other languages spoken there.

* Since November 1997, Slovenia has participated in its first United Nations peacekeeping operation, contributing 27 troops to an Austrian UNFICYP contingent on Cyprus.

Since 1997, the term Subway Series has also been applied to interleague play during the regular season between the Yankees and National League New York Mets.

Since 1997, however, the use of the Seal of the Republic has not actually been required by the Constitution, but it continues to be used.

Since this new stadium was not ready until the 1999 season, Adams decided to move his team to Liberty Bowl Memorial Stadium in Memphis, Tennessee in 1997 after playing before small Houston crowds in 1996.

Since 1997, the Spanish government has privatised its interest in the company.

Since 1997, the South African national anthem has been a hybrid song combining new English lyrics with extracts of the hymn Nkosi Sikelel ' iAfrika ( God Bless Africa ) and the former anthem Die Stem van Suid-Afrika ( The Call of South Africa ).

Since 1997 the college has always come at least eighth in the Tompkins Table, which ranks the 29 Cambridge colleges according to the academic performance of their undergraduates, and on five occasions it has been in first place.

* Since 1976, Bulgaria has an embassy in Luanda.

Since 1996, Bulgaria has an embassy in Sarajevo.

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 2001, Bulgaria has managed to attract considerable amounts of Foreign Direct Investment ( FDI ).

Since Bulgarian lev is anyway bounded to Euro Bulgaria is looking for more positive outcomes of the becoming a member of the Eurozone rather than risks.

Since the late 90s in Austria, slow release oral morphine has been used alongside methadone and buprenorphine for OST and more recently it has been approved in Slovenia and Bulgaria, and it has gained approval in other EU nations including the United Kingdom, although its use is not as of yet not as widespread.

Since the Bulgars had been raiding Byzantine lands since 976, the Byzantine government sought to cause dissension amongst them by first allowing the escape of their captive emperor Boris II of Bulgaria.

Since the 1880s, the number of territorial management units in Bulgaria has varied from seven to 26.

* Since April 1918, Bulgaria has embassy in Oslo.

Since Venizelos's return to power, Athens was effectively at war with the Central Powers, and the Greek soldiers battled those of Bulgaria in the north.

Since 1997, Bulgaria has been divided into 28 oblasti, usually translated as provinces.

Since the year 2000, Bulgarian archaeologist Georgi Kitov has made discoveries in Central Bulgaria which were summarized as " The Valley of the Thracian Kings ".

Since its establishment, more member states have joined through a series of accession treaties, from the UK, Ireland, Denmark and Norway in 1972 ( though Norway did not end up joining ), Greece in 1979, Spain and Portugal 1985, Austria, Finland, Norway and Sweden in 1994 ( though again Norway failed to join, because of lack of support in the referendum ), the Czech Republic, Cyprus, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia and Slovenia in 2004, and Romania and Bulgaria in 2007.

Since 1717, Inđija was part of the Habsburg Monarchy, and became a feudal domain of Count Marko Pejačević of the Pejačević family that originated from Chiprovtsi, Bulgaria.

Since the fifth IPhO, held in Sofia, Bulgaria, in 1971, each team has consisted of five pupils and two supervisors.

Since about the 1960s, routine episiotomies have been rapidly losing popularity among obstetricians and midwives in almost all countries in Europe ( except for Poland and Bulgaria ), Australia, Canada and the US.

Since then, the EU's membership has grown to twenty-seven with the most recent expansion to Bulgaria and Romania in 2007.

Since October 2007, separatists and Caucasus Front soldiers led by Dokka Umarov and Akhmed Yevloyev have claimed all of the North Caucasian regions from Karachay – Cherkessia to the Caspian Sea as part of their territory invaded by Russia during the 18th century that expelled most of the Caucasians towards Turkey, Bulgaria, Syria, and Jordan.

Since 1999, Bulgaria has been divided into 28 provinces (, oblasti ; singular област, oblast ; also translated as " region ") which correspond approximately to the 28 districts ( okrugs ) that existed before 1987.

Since, after having ultimately been banned from attending any public school in the country, he could not complete his education in Bulgaria, in September 1890 Rakovsky went to Geneva to begin his studies and become a physician.

Since then Sardica, which is now called Sophia, belongs to the national Church of Bulgaria.

Since its start in 1989, Buncher Leadership Training has conducted seminars in the former Soviet Union, the Baltic States, Poland, Germany, Former Yugoslavia, Romania, Hungary, and Bulgaria as well as India and Latin America.

Since the treaty was disadvantageous to defeated Bulgaria, Ionescu was allegedly the target of an assassination attempt ( reportedly foiled by an ethnic Aromanian ).