Since independence from Portugal in 1975, a number of Angolan students continued to be admitted every year at high schools, polytechnical institutes, and universities in Portugal, Brazil and Cuba through bilateral agreements ; in general, these students belong to the Angolan elites.

Since 1975, Niger has celebrated Arbor Day as part of its Independence Day: 3 August.

Since the independence in 1975 the official statistics in Cape Verde have no longer made statistics based on racial groups.

Since after independence from Portugal in 1975, a number of Cape Verdean students continued to be admitted every year at Portuguese high schools, polytechnical institutes and universities, through bilateral agreements between the Portuguese Government and the Cape Verdean Government.

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 end of the Angolan Civil War ( 1975 – 2002 ), stability has been widespread in the country, and major reconstruction has been going on since 2002 in those parts of the country which have been damaged by the civil war.

Since 1975 it is in a formal covenant partnership with the Waldensian Church.

Since 1975, improved government administration and rural development efforts have been emphasized.

Since 1975, practically all the gains in household income have gone to the top 20 % of households ...

Since 1975, the highlands have provided an area in which to relocate people from the densely populated lowlands.

Since 1975, when a Worldcon site outside North America is selected, WSFS administers a parallel selection process for NASFiC, voted on by WSFS members at the following year's Worldcon, ( if there is no NASFiC in that year ), or by the following year's NASFiC, if there is one.

Since the Madrid Accords of 1975, part of Western Sahara have been administered by Morocco as the Southern Provinces.

Since 1975, Blatter has been working at FIFA, first as Technical Director ( 1975 – 1981 ), then General Secretary ( 1981 – 1998 ), before his election as FIFA President in 1998.

Since 1975, she is one of four women who have been the year-end World No. 1 at least four times ( 1998, 2001, 2004, and 2005 ); the others are Chris Evert, Steffi Graf and Martina Navratilova.

Since 1975, however, those powers have not been exercised.

Since 1975 the party system is dominated by the social democratic Socialist Party and the liberal conservative Social Democratic Party.

Since 1975, investments grew by 10 % in the past year and had been targeted for development.

Since 1975 it has been entitled The Garden and is currently a monthly publication.

Since 1975, the last stage of the Tour de France has finished on the Champs-Élysées, with riders typically making six to eight circuits back and forth on the avenue, with a furious final sprint.

Additionally, a 60 Minutes television episode titled " Ever Since Icarus " ( airdate August 31, 1975 on CBS ) addressed the renaissance of human flying with hang gliders.

Since 1973, Bracknell Forest has been twinned with Opladen in Germany, continued by Leverkusen after Opladen's incorporation in 1975.

Since 1 January 1975, Duisburg has been divided into seven districts or boroughs ( Stadtbezirk ) from the north to the south:

Since 1975, an excursion steamboat at New Orleans has also borne the name Natchez.

Since its founding in 1975, the National Italian American Foundation ( NIAF ) has worked closely with the bicameral and bipartisan Italian American Congressional Delegation, which is led by co-chairs Rep. Bill Pascrell of New Jersey and Rep. Pat Tiberi of Ohio.

Since then he had worked at this and that, though some said his main interest was gambling.

Since 2002, when the 27-year civil war ended, the country has worked to repair and improve ravaged infrastructure and weakened political and social institutions.

Since 1998, Angola has successfully worked with the United Nations Security Council to impose and carry out sanctions on UNITA.

Since every day brought the arrival of the Spartans closer, the delay worked in favor of the Athenians.

Since the invention of the MIDI system in the early 1980s, for example, some people have worked on programs which map MIDI notes to an algorithm and then can either output sounds or music through the computer's sound card or write an audio file for other programs to play.

Since 1988's Dead Ringers, Cronenberg has worked with cinematographer Peter Suschitzky on each of his films ( see List of noted film director and cinematographer collaborations ).

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

Since then, ecologists have worked to bridge their understanding of the degradation of the planet's ecosystems with environmental politics, law, restoration, and natural resources management.

Since Galen states that he is using observations of monkeys ( human dissection was prohibited ) to give an account of what the body looks like, Vesalius could portray himself as using Galen's approach of description of direct observation to create a record of the exact details of the human body, since he worked in a time when human dissection was allowed.

Since a third of the Malay workforce worked in the rubber industry it was important to develop alternative sources of employment.

Since the 1960s, he has worked with public interest, consumer, family farm, environmental and community organizations at the local, state and national level.

Since 1949, Mikhail Kalashnikov has lived and worked in Izhevsk, Udmurtia.

Since taking over the franchise, Attanasio has worked hard to build bridges with Milwaukee baseball fans, including giving away every seat to the final home game of 2005 free of charge and bringing back the classic " ball and glove " logo of the club's glory days on " Retro Friday " home games, during which they also wear versions of the team's old pinstriped uniforms.

Since he was 16 Limbaugh has worked a series of disc jockey jobs.

Since prehistoric times, long before the concept of national borders existed, the Sami people of Arctic Europe lived and worked in an area that stretches over the regions now known as Norway, Sweden, Finland and the Russian Kola Peninsula.

Since the equipartition theorem worked so well in describing the vibrational modes of the thermal object itself, it was trivial to assume that it would perform equally well in describing the radiative emission of such objects.

Since October 2000, the country has worked to stabilize and strengthen its bilateral relationships with neighboring countries.

Since 2007, Aniston has worked in a publicity campaign for the drink SmartWater ; on March 7, 2011, she released a YouTube video, titled " Jennifer Aniston Goes Viral ", for SmartWater, tripling online interest in the product within 24 hours of the release.

Since then he has lived and worked mostly in France, making art films.

Since the last incarcerees left in 1945, former incarcerees and others have worked to protect Manzanar and to establish it as a National Historic Site to preserve and interpret the site for current and future generations.

Since the Mac's screen resolution ( 72 dpi ) was exactly half of the ImageWriter's maximum, this worked perfectly, creating text at exactly the desired size.

Since the 1970s, Ebert has worked for the University of Chicago as a guest lecturer, teaching a night class on film.

Since 1960 Johns has worked closely with Universal Limited Art Editions, Inc ( ULAE ) in a variety of printmaking techniques to investigate and develop existing compositions.

Since the 19th century, the island has had a sizable community of Portuguese-Americans, concentrated primarily in the three down-Island towns of Oak Bluffs, Tisbury and Edgartown ; they traditionally worked alongside other island residents in whaling and fishing.

Since 1880 the sizeable Catholic and Protestant parties had worked together in the so-called Coalitie.