Since the adoption of a new constitution, early in 2010, the politics of Angola takes place in a framework of a presidential republic, whereby the President of Angola is both head of state and head of government, and of a multi-party system.

Since early 1989, Aztlan Underground has played Rapcore.

Since early 2008, Armenia's entire rail network is managed by the Russian state railway.

Since the early 1990s, many American Chinese restaurants influenced by California cuisine have opened in San Francisco and the Bay Area.

Since its inception in the early 1990s, the group has carried out bombings, kidnappings, assassinations and extortion in what they describe as their fight for an independent Islamic province in the Philippines.

Since early BBSes were frequently run by computer hobbyists, they were typically technical in nature with user communities revolving around hardware and software discussions.

Since the early 20th century, the armed forces have pursued the goal of weapons self-sufficiency.

Since the early 20th century it has been commonly accepted that Old Irish Bel ( l ) taine is derived from a Common Celtic * belo-te ( p ) niâ, meaning " bright fire " ( where the element * belo-might be cognate with the English word bale in ' bale-fire ' meaning ' white ' or ' shining '; compare Anglo-Saxon bael, and Lithuanian / Latvian baltas / balts, found in the name of the Baltic ; in Slavic languages byelo or beloye also means ' white ', as in Беларусь ( White Russia or Belarus ) or Бе ́ лое мо ́ ре Sea ).

Since early 1989 the government recognizes both Israel and the Palestinian state.

Since the early 1990s it was generalized in systemics for the investigation of functional human-like intelligence models, such as personoids, and, in parallel, developed as the SOAR environment.

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 the early 21st century within the global functional food industry, raw cranberries have been marketed as a " superfruit " due to their nutrient content and antioxidant qualities.

Since then, many other drugs have been developed to treat cancer, and drug development has exploded into a multibillion-dollar industry, although the principles and limitations of chemotherapy discovered by the early researchers still apply.

Since his early childhood he spent his free time by drawing on any material he could find.

Since the early 1960s, it has been known that volcanism has occurred on other planets and moons in the Solar System.

Since early childhood Don Rosa had been fascinated by Carl Barks ' stories about Donald Duck and Scrooge McDuck.

The early 1980s saw further chart successes in the US with " Since I Don't Have You ", a new recording of " Castles in the Air " and " It's Just the Sun ".

Since the early 1930s, the company has promoted spin-off reference works.

Since the early 1990s, the Britannica has faced new challenges from digital information sources.

Since he was on the losing side of the long 4th-century contest between the allies and enemies of Arianism ( Eusebius was an early and vocal supporter of Arius ), posterity did not have much respect for Eusebius ' person and was neglectful in the preservation of his writings.

Since the early twentieth century, quantum theory has proved to be successful in describing accurately the physical reality of the mesoscopic and microscopic world, in multiple reproducible physics experiments.

Since the early 1980s, Smyril Line has operated a regular international passenger, car and freight service using a large, modern, multipurpose ferry, the Norröna.

Since early 2010, an agreement was established between the General Council, responsible for organizing transport between the towns, and some carriers Taxi Co.

Since the early years of the twentieth century, absolute dating methods, such as radiometric dating ( including potassium / argon, argon / argon, uranium series, and, for very recent fossils, radiocarbon dating ) have been used to verify the relative ages obtained by fossils and to provide absolute ages for many fossils.

Since the early 2000s most consumer hard drive capacities are grouped in certain size classes measured in gigabytes.

Since the 20th century, the appointment of Archbishops of Canterbury conventionally alternates between more moderate Anglo-Catholics and Evangelicals.

Since the second half of the 20th century most scholars have agreed with Martin Noth's thesis that the books of Deuteronomy, Joshua, Judges, Samuel and Kings form parts of a single work.

Since the Anglo-Boer war the term " Boervolk " was rarely used in the 20th century by the various regimes because of this attempt to assimilate the Boervolk with the Afrikaners.

Since the second half of the 20th century, computers have been programmed to play chess with increasing success, to the point where home computers can play chess at a very high level.

Since the consolidation of newspaper comics by the first quarter of the 20th century, most cartoonists have used a group of assistants ( with usually one of them credited ).

Since the 20th century, another source of words has been Japanese using existing kanji ( Chinese characters used in Japanese ).

Since the later 20th century, use of CE and BCE has been popularized in academic and scientific publications, and more generally by publishers emphasizing secularism or sensitivity to non-Christians.

Since the early 20th century, the term is used almost exclusively in conjunction with the modern development of hydro-electric power, which allowed use of distant energy sources.

Since the early 20th century, a form of standardized Mandarin ( described above ) has been the official and de facto national standard language in China and it is today one of the most frequently used varieties of Chinese among Chinese diaspora communities internationally.

Since the early 20th century, musical theatre stage works have generally been called, simply, musicals.

Since the mid 20th century, computers calculate the required functions instead.

Since the start of the 20th century, complexity of total syntheses has been increasing, with examples such as lysergic acid and vitamin B12.

Since the 20th century, the work of physics research has been divided between theorists and experimentalists ( see scientific method ).

Since the 20th century, the term republicanism is more likely to refer to the policies of the Republican Party, the nation's right-wing political party, than to republican values generally.

Since the 18th century, particularly during the late 19th and early 20th centuries, some wealthy or ennobled families embraced Catholicism, including branches of the Asquith, Bellingham ( Ireland ), Bowyer ( England ), Calvert ( Maryland ), Cary-Elwes / Elwes ( since 1872 ), Feilding ( England ), Forbes ( Ireland ), Leslie ( Ireland ), Fraser ( Scotland ), Lane-Fox, Meynell, Noel ( Gainsborough ), Ashton Case ( or Ashton-Case ; England ), Radcliffe ( England ), Monckton, Pakenham ( Ireland ), Pontifex ( England ), Crichton-Stuart ( Scotland ) and Strickland ( Counts of Catena, Malta ) families.

Since the resettlement of Svalbard in the early 20th century, coal mining has been the dominant commercial activity.

Since the 20th century, Western legal systems have generally allowed for " greater women's rights " than Islamic law.

Since the first widespread promotion of t ' ai chi ch ' uan's health benefits by Yang Shaohou, Yang Chengfu, Wu Chien-ch ' uan, and Sun Lutang in the early 20th century, it has developed a worldwide following among people with little or no interest in martial training, for its benefit to health and health maintenance.

Since then, several V: TES expansions have been released, and the game was the only official source of material for the Old World of Darkness, until 2011 when the 20th Anniversary Edition of Vampire: The Masquerade was published and the Onyx Path was announced.

Since the end of the 20th century, the economic strength during the 1920s has drawn close comparison with the 1950s and 1990s, especially in the United States of America.

Since the latter half of the 20th century Artois has suffered along with similar areas because of the decline of the coal industry.

Since the turn of the 20th century phonics has been widely used in primary education and in teaching literacy throughout the English-speaking world.