cated in Chuquisaca (La Plata—modern Sucre). Founded in 1545 as a mining town, Potosí soon produced fabulous wealth, becoming the largest city in the New World with a population exceeding 150,000 people.
By the late 16th century Bolivian silver was an important source of revenue for the Spanish Empire. A steady stream of natives served as labor force under the brutal, slave conditions of the Spanish version of the pre-Columbian draft system called the mita. Upper Peru was bounded to Viceroyalty of the Río de la Plata in 1776. Túpac Katari led the indigenous rebellion that laid siege to La Paz in March 1781, during which 20,000 people died. As Spanish royal authority weakened during the Napoleonic wars, sentiment against colonial rule grew.
Independence and subsequent wars
The struggle for independence started in the city of Sucre the 25 May of 1809, with the first cry of Freedom in Latin America. Chuquisaca Revolution (Chuquisaca was then the name of the city). That revolution, which created a local government Junta, was followed by the La Paz revolution, during which Bolivia actually declared independence. Both revolutions were short-lived, and defeated by the Spanish authorities, but the following year the Spanish American wars of independence raged across the continent. Bolivia was captured and recaptured many times during the war by the royalists and patriots. Buenos Aires sent three military campaigns, all of which were defeated, and eventually limited itself to protecting the national borders at Salta. Bolivia was finally freed of Royalist dominion by Antonio José de Sucre, with a military campaign coming from the North in support of the campaign of Simón Bolívar. After 16 years of war the Republic was proclaimed on 6 August 1825 and
In 1836, Bolivia, under the rule of Marshal Andrés de Santa Cruz, invaded Peru to reinstall the deposed president, General Luis José de Orbegoso. Peru and Bolivia formed the