paragraph_text: The Standard Ten was a model name given to several small cars produced by the British Standard Motor Company between 1906 and 1961. The name was a reference to the car's fiscal horsepower. Like other manufacturers, Standard continued to use the name to define the approximate size of their 'Ten' model long after the origins of the name had, in Britain, become inapplicable.

paragraph_text: Based on data from OPEC at the beginning of 2013 the highest proved oil reserves including non-conventional oil deposits are in Venezuela (20% of global reserves), Saudi Arabia (18% of global reserves), Canada (13% of global reserves), and Iran (9%).

paragraph_text: This contributed to the "Oil Shock". After 1971, OPEC was slow to readjust prices to reflect this depreciation. From 1947 to 1967, the dollar price of oil had risen by less than two percent per year. Until the oil shock, the price had also remained fairly stable versus other currencies and commodities. OPEC ministers had not developed institutional mechanisms to update prices in sync with changing market conditions, so their real incomes lagged. The substantial price increases of 1973–1974 largely returned their prices and corresponding incomes to Bretton Woods levels in terms of commodities such as gold.

paragraph_text: Turkey's application to accede to the European Economic Community, the predecessor of the European Union (EU), was made on 14 April 1987. After the ten founding members, Turkey was one of the first countries to become a member of the Council of Europe in 1949. The country has also been an associate member of the Western European Union from 1992 to its end in 2011. Turkey signed a Customs Union agreement with the EU in 1995 and was officially recognised as a candidate for full membership on 12 December 1999, at the Helsinki summit of the European Council.

paragraph_text: OPEC's stated mission is ``to coordinate and unify the petroleum policies of its member countries and ensure the stabilization of oil markets, in order to secure an efficient, economic and regular supply of petroleum to consumers, a steady income to producers, and a fair return on capital for those investing in the petroleum industry. ''The organization is also a significant provider of information about the international oil market. As of May 2017, OPEC's members are Algeria, Angola, Ecuador, Equatorial Guinea, Gabon, Iran, Iraq, Kuwait, Libya, Nigeria, Qatar, Saudi Arabia (the de facto leader), United Arab Emirates, and Venezuela, while Indonesia is a former member. Two - thirds of OPEC's oil production and reserves are in its six Middle Eastern countries that surround the oil - rich Persian Gulf.

paragraph_text: In 2011, Socialist League Vpered fused with two Russian left organizations, Socialist Resistance and the Revolutionary Workers' Party. The new organization is named the Russian Socialist Movement (RSM). Within RSM was formed a "Group of members of the Fourth International", which has become the new Russian section of the Fourth International.

paragraph_text: As of 2015[update], Nigeria is the world's 20th largest economy, worth more than $500 billion and $1 trillion in terms of nominal GDP and purchasing power parity respectively. It overtook South Africa to become Africa's largest economy in 2014. Also, the debt-to-GDP ratio is only 11 percent, which is 8 percent below the 2012 ratio. Nigeria is considered to be an emerging market by the World Bank; It has been identified as a regional power on the African continent, a middle power in international affairs, and has also been identified as an emerging global power. Nigeria is a member of the MINT group of countries, which are widely seen as the globe's next "BRIC-like" economies. It is also listed among the "Next Eleven" economies set to become among the biggest in the world. Nigeria is a founding member of the Commonwealth of Nations, the African Union, OPEC, and the United Nations amongst other international organisations.

paragraph_text: Turkey's application to accede to the European Economic Community, the predecessor of the European Union (EU), was made on 14 April 1987. After the ten founding members, Turkey was one of the first countries to become a member of the Council of Europe in 1949. The country was also an associate member of the Western European Union from 1992 to its end in 2011. Turkey signed a Customs Union agreement with the EU in 1995 and was officially recognised as a candidate for full membership on 12 December 1999, at the Helsinki summit of the European Council.

paragraph_text: As of 2016, the WHO has 194 member states: all of them Member States of the United Nations except for the Cook Islands and Niue. (A state becomes a full member of WHO by ratifying the treaty known as the Constitution of the World Health Organization.) As of 2013, it also had two associate members, Puerto Rico and Tokelau. Several other countries have been granted observer status. Palestine is an observer as a ``national liberation movement ''recognized by the League of Arab States under United Nations Resolution 3118. The Holy See also attends as an observer, as does the Order of Malta. In 2010, Taiwan was invited under the name of`` Chinese Taipei''.

paragraph_text: Country Region Membership Years Population (2016 est.) Area (km) Oil Production (bbl / day, 2016) Proven Reserves (bbl, 2016) Algeria North Africa 1969 -- 40,606,052 2,381,740 1,348,361 12,200,000,000 Angola Southern Africa 2007 -- 28,813,463 1,246,700 1,769,615 8,423,000,000 Ecuador Americas 1973 -- 1992, 2007 -- 16,385,068 283,560 548,421 8,273,000,000 Equatorial Guinea Western Africa 2017 -- 1,221,490 28,051 227,000 1,100,000,000 Gabon Western Africa 1975 -- 1995, 2016 -- 1,979,786 267,667 210,820 2,000,000,000 Iran Middle East 1960 -- 80,277,428 1,648,000 3,990,956 157,530,000,000 Iraq Middle East 1960 -- 37,202,572 437,072 4,451,516 143,069,000,000 Kuwait Middle East 1960 -- 4,052,584 17,820 2,923,825 101,500,000,000 Libya North Africa 1962 -- 6,293,253 1,759,540 384,686 48,363,000,000 Nigeria Western Africa 1971 -- 185,989,640 923,768 1,999,885 37,070,000,000 Qatar Middle East 1961 -- 2,569,804 11,437 1,522,902 25,244,000,000 Saudi Arabia Middle East 1960 -- 32,275,687 2,149,690 10,460,710 266,578,000,000 United Arab Emirates Middle East 1967 -- 9,269,612 83,600 3,106,077 97,800,000,000 Venezuela Americas 1960 -- 31,568,179 912,050 2,276,967 299,953,000,000 OPEC Total 478,498,000 12,150,695 35,221,740 1,209,103,000,000 World Total 7,588,065,000 510,072,000 80,622,287 1,650,585,000,000 OPEC Percent 6% 2% 44% 73%

paragraph_text: OFID played a significant role in the establishment of IFAD, channeling US$861.1 million in contributions from OPEC member countries towards the agency’s initial capital and first replenishment. Since IFAD's creation, OPEC member states have maintained their firm support of the agency, contributing to additional replenishments of its resources. In addition, OFID itself has given a further US$20 million as a special contribution from its own resources.

paragraph_text: 741 Botolphia is a minor planet orbiting the Sun, discovered by Joel Hastings Metcalf on 10 February 1913 from Winchester. It is named after Saint Botolph, the semi-legendary founder of a 7th-century monastery that would become the town of Boston, Lincolnshire, England.

paragraph_text: Jackson Tooth () is a nunatak rising to at the western end of Pioneers Escarpment, in the Shackleton Range, Antarctica. In association with the names of pioneers of polar life and travel grouped in this area, it was named by the UK Antarctic Place-Names Committee in 1971 after Major Frederick George Jackson, an English Arctic explorer who in 1895 designed the features of the pyramid tent, later to become standard equipment on British polar expeditions.

paragraph_text: Mazari was born on 8 July 1928 to the 21st Sardar and the sixth Mir of the Mazari tribe, Murad Buksh Khan Mazari. He was later elevated to become the Mazari chieftain in 1933 after the death of his father who had ruled as chieftain for nine months. After the completion of his education from Aitchison College in 1945 went on to live in Rojhan-Mazari, from where he joined active politics in 1951. He has been elected Member of the Senate, Member of the National Assembly and Member of the Provincial Assembly on many occasions.

paragraph_text: Windfall: The Oil Crisis Game is a real-time business simulation game developed by David Mullich in 1980 for the Apple II. Based upon queuing theory and released after the 1979 energy crisis, the game puts the player in the role of chief executive of Engulf Oil, setting gas prices and worker salaries, monitoring gas station lines, scheduling oil tanker arrivals, and negotiating oil prices with OPEC countries in a race against the clock to maximize profits. As with most Edu-Ware games, "Windfall" has an educational aspect, demonstrating the delicate balance in complex systems.

paragraph_text: Ferronigerite-2N1S was first discovered in the Kabba provence of central Nigeria in 1944; it was originally named Nigerite. Its name was later changed to nigerite-6H then to nigerite-6T and in 2003 ferronigertie-2N1S was approved by the International Mineralogical Association.

paragraph_text: OPEC soon lost its preeminent position, and in 1981, its production was surpassed by that of other countries. Additionally, its own member nations were divided. Saudi Arabia, trying to recover market share, increased production, pushing prices down, shrinking or eliminating profits for high-cost producers. The world price, which had peaked during the 1979 energy crisis at nearly $40 per barrel, decreased during the 1980s to less than $10 per barrel. Adjusted for inflation, oil briefly fell back to pre-1973 levels. This "sale" price was a windfall for oil-importing nations, both developing and developed.

paragraph_text: Organization of the Petroleum Exporting Countries (OPEC, / ˈoʊpɛk / OH - pek, or OPEP in several other languages) is an intergovernmental organization of 14 nations as of May 2017, founded in 1960 in Baghdad by the first five members (Iran, Iraq, Kuwait, Saudi Arabia, Venezuela), and headquartered since 1965 in Vienna. As of 2016, the 14 countries accounted for an estimated 44 percent of global oil production and 73 percent of the world's ``proven ''oil reserves, giving OPEC a major influence on global oil prices that were previously determined by American - dominated multinational oil companies.

paragraph_text: Tuo Zhen was born in Fangcheng County, Henan province, in 1959. His family name is extremely rare. In 1978, Tuo Zhen was admitted to Wuhan University, majoring in political economics. After graduating from university in 1982, he was assigned to work as an editor for the "Economic Daily". In 2005, he was promoted to chief editor. In 2011, he was transferred to become vice president of Xinhua News Agency. In May 2012, Tuo Zhen was transferred to Guangdong province, named a member of the provincial Party Standing Committee, and head of the Guangdong Propaganda Department.

paragraph_text: Petroleum was discovered on 3 March 1938 and followed up by several other finds in the Eastern Province. Saudi Arabia has since become the world's second largest oil producer (behind the US) and the world's largest oil exporter, controlling the world's second largest oil reserves and the sixth largest gas reserves. The kingdom is categorized as a World Bank high-income economy with a high Human Development Index and is the only Arab country to be part of the G-20 major economies. The state has attracted criticism for a variety of reasons including: its archaic treatment of women, its excessive and often extrajudicial use of capital punishment, state-sponsored discrimination against religious minorities and atheists, its role in the Yemeni Civil War, sponsorship of Islamic terrorists, and its strict interpretation of Sharia law. The kingdom has the world's third-highest military expenditure and, according to SIPRI, was the world's second largest arms importer from 2010 to 2014. Saudi Arabia is considered a regional and middle power. In addition to the GCC, it is an active member of the Organisation of Islamic Cooperation and OPEC.

Question: When did the country for which the Ferronigerite-2N1S is named become a member of OPEC?
Answer: 1971