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 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 around the start of the twentieth century, Haeckel's " biogenetic law " has been refuted on many fronts.

Since the late twentieth century, the Maya code has been almost completely deciphered, and the Mayan languages are among the most documented and studied in Mesoamerica.

Since the second half of the twentieth century the associations of race with the ideologies and theories that grew out of the work of 19th-century anthropologists and physiologists has led to the use of the word race itself becoming problematic.

Since the latter part of the twentieth century, it has been questioned whether a diet high in sugars, especially refined sugars, is bad for health.

Since the first class graduated, SAMS planners have supported every major military campaign, providing " the Army with many of its top campaign planners for the late twentieth and early twenty-first centuries ".

Since the early twentieth century when astronomer Edwin Hubble first hypothesized that redshift shows the universe is expanding, prevailing scientific opinion has been that the current state of the universe is the result of a process described by the Big Bang.

Since the early twentieth century, the philosophy done in universities ( especially in the English-speaking parts of the world ) has become much more analytic.

Since the late twentieth century, they have developed the successful North Star Mohican Resort and Casino to generate revenues for the tribe.

Since the late twentieth century, they have developed the North Star Mohican Resort and Casino on their reservation, which has successfully generated funds for tribal welfare and economic development.

Since this was the heart of artistic Paris at the turn of the twentieth century, there was much discussion at the cabaret about " the meaning of art ".

Since the US Federal Reserve was formed in 1913, however, the US dollar has fallen to barely a twentieth of its former value through the consistently inflationary policies of the bank.

Since the early twentieth century, the topsails and topgallants are often split into a lower and an upper sail to allow them to be more easily handled.

Since the late twentieth century, both the state and the United States have improved respect of indigenous rights and tribal sovereignty, but conflicts between the Tongva and the rapidly expanding population of Los Angeles have often required resolution in the courts.

Since the end of the twentieth century, there has been a resurgence of interest in his music.

Since the twentieth century, the island has been redeveloped for use as a tourist destination and resorts, although some private plantations remain.

Since the late twentieth century, the rank of general is usually the highest active rank of a military not at war.

Since the advent of modern drainage in the nineteenth and twentieth centuries, the Fens have been radically transformed, so that today arable farming has almost entirely replaced pastoral and the economy of the Fens is heavily invested in the production of crops such as grains, vegetables and some cash crops such as rapeseed or canola.

Since December 2010, UFO had been working on a twentieth studio album, which was supposed to be released in June 2011.

Since the late twentieth century, unrelated contemporary artists have contributed individual reworkings of tunes to tribute albums for well established artists who are considered to be influential and inspiring.

Since there was no linguistic contact with France from the late eighteenth century until the twentieth century, Acadian French retained features that died out during the French standardization efforts of the nineteenth century.

Since the twentieth century, competition law has become global.

Since that time better measurements have placed the star further away but it was the still the second-closest known star system until the discovery of two dim red dwarf stars, Wolf 359 and Barnard's Star, in the early twentieth century using astrophotography.

Since the twentieth century a number of magical practitioners, including adherents of the Neopagan religion of Wicca, have begun to utilise the concept of familiars, due to their association with older forms of magic.