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 Joseph de Guignes in the 18th century, historians have associated the Huns who appeared on the borders of Europe in the 4th century with the Xiongnu who migrated out of the Mongolia region some three hundred years before.

Since most Episcopalians had given their support to the Jacobite rebellions in the early 18th century, they also suffered a decline in fortunes.

Since the 18th century the writ has also been used in cases of unlawful detention by private individuals, most famously in Somersett's Case ( 1772 ), where the black slave Somersett was ordered to be freed.

Since at least the 18th century Freemasonry has incorporated Templar symbols and rituals in a number of Masonic bodies, most notably, the " Order of the Temple " the final order joined in " The United Religious, Military and Masonic Orders of the Temple and of St John of Jerusalem, Palestine, Rhodes and Malta " commonly known as the Knights Templar.

Since 1721, every head of the Sovereign's government – with one exception in the 18th century ( William Pitt the Elder ) and one in the 19th ( Lord Salisbury ) – has been First Lord of the Treasury.

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 middle of the 18th century, coal has been mined.

Since the 18th century, American urban areas have often grown faster than city boundaries.

Since early in the 18th century, Tory had described those upholding the right of the Kings over parliament.

Since the 18th century, " Orientalist " has been the traditional term for a scholar of Oriental studies ; however the use in English of " Orientalism " to describe the academic subject of " Oriental studies " is rare ; the Oxford English Dictionary cites only one such usage, by Lord Byron in 1812.

Since the text mentions teams rather than chariots, the existence of chariots in the 18th century BC is uncertain.

Since the second half of the 18th century Charing Cross has been seen as the centre of London.

Since the second half of the 18th century Charing Cross has been seen as the centre of London.

" Since Benjamin Gaither lived during the 18th century, it's probable that his name was pronounced with a soft TH as in most native English names and words in which it occurs in the middle, and this would have been carried over into the city name.

Since the 18th century, Haarlem has historically had more museums per inhabitant than any other city of the Netherlands.

Since the 18th century, Worcester Cathedral Choir has taken part in the Three Choirs Festival, the oldest music festival in the world.

Since then, it underwent many changes, and the modern sitar evolved in the 18th century India.

Since the end of the 18th century, the phrase " in character " has been used to describe an effective impersonation by an actor.

Since the 18th century in Irkutsk the trades and crafts began to develop, the gold and silver craftsmen, smiths appeared.

Since the Middle Ages to the 18th century, the population of Vitoria-Gasteiz and the layout of its streets remained almost unchanged.

Since the later days of the harpsichord ( 17th – 18th century ), stringed keyboard instruments could have registers, for instance giving a drier or more ample sound when the instrument's stop was pulled ( a stop in the meaning of a similar disposition for organs, known as organ stops ).

Since the late 18th century, when Abraham Hyacinthe Anquetil-Duperron and others made portions of the Avesta available to western scholars, several scholars have sought a representative botanical equivalent of the haoma as described in the texts and as used in living Zoroastrian practice.

Since most neurons are developed by the 18th week of gestation, the fetus with symmetrical IUGR is more likely to have permanent neurological sequela.

Since the 18th century, some scholars have questioned the traditional interpretation of Jephthah's sacrifice of his daughter.