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 Pope Leo XIII issued the bull Apostolicae Curae in 1896, the Catholic Church has insisted that Anglican orders are invalid because of changes in the Anglican ordination rites of the 16th century and divergence in understanding of the theology of priesthood, episcopacy and Eucharist.

Since the 16th General Conference on Weights and Measures ( CGPM ) in 1979, the candela has been defined as:

Since the 16th century, Portugal extensively adopted slavery to man their colonies, coming mainly from West and Central Africa.

Since the 16th century, the majority of the city's inhabitants were German-speakers.

Since the 16th century, generations of politicians remain attracted and repelled by its apparently neutral acceptance, or even positive encouragement, of the immorality of powerful men, described especially in The Prince but also in his other works.

Since the beginning of modern philosophy and science in the 16th century, many Western intellectuals have seen myth as outdated.

Since early times, probably as far back as the 16th century, the stork has been the symbol of The Hague.

Since the 16th century, some grammarians, such as Louis Meigret or Dominique Bouhours, have claimed that the strict rules governing French word order ensure that the language conforms more closely to a natural order of thinking than Latin, for example.

Since being introduced by Portuguese traders from Brazil in the 16th century, maize and cassava have replaced traditional African crops as the continent ’ s most important staple food crops.

Since the 16th century, this formation of narrow headlands formed a lagoon, that, due to its characteristics allowed the formation and production of salt.

Since its emergence in the English language in the 16th century ( related to the German quer, meaning " across, at right angle, diagonally or transverse "), queer has generally meant " strange ", " unusual ", or " out of alignment ".

Since the 16th Century, due to Castilian influences, the name has slowly evolved to taken on the form Guadiana, a cognitive variation that developed from many Moorish-Arab river place-names using the prefix guad ( such as the rivers Guadalquivir, Guadalete, Guadalajara or Guadarrama ).

Since the 16th century, the name of Mahishūru has commonly been used to denote the city.

Since the 16th century people had been emigrating from this area.

Since at least the early 16th century, Wandsworth has offered accommodation to consecutive waves of immigration, from Protestant Dutch metalworkers fleeing persecution in the 1590s to recent Eastern European members of the European Union.

Since the 1950s, historians, linguists, and archeologists have found evidence of a distinct people, the St. Lawrence Iroquoians, who inhabited the areas along the St. Lawrence River from before 1300 until the late 16th century.

Since reclamation began in the 16th century of the estuary between Long Sutton and Sutton Bridge, The Wash House ( now the Bridge Hotel ) marked the start of the safe track and it was possible to hire guides to help the general travellers and also the drovers with their herds of cattle, flocks of sheep or geese safely over the marsh.

Since the income tax may be imposed on income from whatever source and without regard to any apportionment requirement ( by virtue of the wording of the 16th Amendment ), an income tax cannot be treated as a direct tax ( as income taxes on income from property were so treated in the Pollock case ).

Since the Renaissance French philosophy has been continuously influenced by Sextus: Montaigne in the 16th century, Pierre-Daniel Huet and François de La Mothe Le Vayer in the 17th century, many of the " Philosophes ," and in recent times controversial figures such as Michel Onfray, in a direct line of filiation between Sextus ' radical skepticism and secular or even radical atheism.

Since the 16th Century Spanish conquest of Central America, the territories that became the Federation were governed by a Captaincy General of the Kingdom of Guatemala, based in Guatemala City and associated with the Viceroyalty of New Spain in Mexico City.

Since the 16th century, there have been differences in the calculation of Easter between the Western and Eastern Churches.

Since the 16th century the exploration of the Brazilian inland was attempted several times, mostly to try to find mineral riches like the silver mines found in 1546 by the Spanish in Potosí ( now in Bolivia ).

Since the middle of the 16th century, the city was mostly populated with Muslims.

Since the 16th century, the Collège de France has had a two-fold mission: to be a forum for cutting-edge research and teaching.