Siglo XX Mine
Siglo XX (Spanish for "Twentieth Century") is a tin mine in Bolivia. It is located in the city of Llallagua in the province of Bustillos, Potosí Department. Along with the Catavi mine, it is part of a mining complex in the area. It was acquired in the 1910s by Simón Iturri Patiño, who was dubbed the "King of Tin." It was the site of continual labor strife, and many of its workers were active in the Union Federation of Bolivian Mine Workers (FSTMB). The mine was nationalized following the Bolivian National Revolution of 1952, when the Revolutionary Nationalist Movement (MNR) and its allies overthrew the military junta. Siglo XX and other mines were placed under the control of a new state agency, the ''Corporación Minera de Bolivia'' (COMIBOL). The Catavi-Siglo XX complex became the largest component of COMIBOL. On 24 June 1967, government troops under the orders of President René Barrientos and a new military junta marched on the mine and committed the largest massacre ...
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Siglo XX
Siglo XX (Spanish for "Twentieth Century") may refer to: * Siglo XX (band), Belgian band * Siglo XX Cambalache, Argentine television program * Siglo XX mine Siglo XX (Spanish for "Twentieth Century") is a tin mine in Bolivia. It is located in the city of Llallagua in the province of Bustillos, Potosí Department. Along with the Catavi mine, it is part of a mining complex in the area. It was acqui ...

Revolutionary Nationalist Movement
The Revolutionary Nationalist Movement ( es, Movimiento Nacionalista Revolucionario , MNR) is a centre-right conservative political party in Bolivia and was the leading force behind the Bolivian National Revolution from 1952 to 1964. It influenced much of the country's history since 1941. Origins The Revolutionary Nationalist Movement was begun in 1941 by future presidents Víctor Paz Estenssoro and Hernán Siles Zuazo. It soon attracted some of the brightest members of the Bolivian intelligentsia. Among the party's most prominent supporters were Humberto Guzmán Fricke, Juan Lechín, Carlos Montenegro, Walter Guevara Arze, Javier del Granado, Augusto Céspedes, Lydia Gueiler, Guillermo Bedregal, and Gonzalo Sánchez de Lozada, a number of whom later became presidents of Bolivia. At the time of its establishment it was a leftist/reformist party, along the lines of similar Latin American parties such as the Dominican Revolutionary Party, Democratic Action in Venezuela, the M ...
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Tin Mines In Bolivia
Tin is a chemical element with the symbol Sn (from la, stannum) and atomic number 50. Tin is a silvery-coloured metal. Tin is soft enough to be cut with little force and a bar of tin can be bent by hand with little effort. When bent, the so-called "tin cry" can be heard as a result of twinning in tin crystals; this trait is shared by indium, cadmium, zinc, and mercury in the solid state. Pure tin after solidifying presents a mirror-like appearance similar to most metals. In most tin alloys (such as pewter) the metal solidifies with a dull gray color. Tin is a post-transition metal in group 14 of the periodic table of elements. It is obtained chiefly from the mineral cassiterite, which contains stannic oxide, . Tin shows a chemical similarity to both of its neighbors in group 14, germanium and lead, and has two main oxidation states, +2 and the slightly more stable +4. Tin is the 49th most abundant element on Earth and has, with 10 stable isotopes, the largest nu ...
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World Bank Group
The World Bank Group (WBG) is a family of five international organizations that make leveraged loans to developing countries. It is the largest and best-known development bank in the world and an observer at the United Nations Development Group. The bank is headquartered in Washington, D.C. in the United States. It provided around $98.83 billion in loans and assistance to "developing" and transition countries in the 2021 fiscal year. The bank's stated mission is to achieve the twin goals of ending extreme poverty and building shared prosperity.The World Bank, Press release: "World Bank Group Commitments Rise Sharply in FY14 Amid Organizational Change"July 1 2014, http://www.worldbank.org/en/news/press-release/2014/07/01/world-bank-group-commitments-rise-sharply-in-fy14-amid-organizational-change/ref> Total lending as of 2015 for the last 10 years through Development Policy Financing was approximately $117 billion. Its five organizations are the International Bank for Reconstruc ...
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