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Constitution of Argentina agreed by assembly in Santa Fe. It created a modern system of government. Argentina now became and a developed, independent country.

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On July 9, 1816, the Congress declared the independence of Argentina. This now made Argentina and independent country many many years later.

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The Battle of San Lorenzo took place in February. This was the first battle of Jose de San Martín. This was part of the Argentine War of Independence.

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On May 23, the assembly voted for the removal of the viceroy and the creation of the Primera Junta. Locals of the Primera were to govern Buenos Aires. This was properly agreed and the Junta sworn in on May 25.

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The petition was refused by Baltasae Hidalgo de Cisneros. However the popular protest forced his hand on May 22.

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Secret meetings in May 1810 organized a petition for an open meeting. This was called Cabildo Abierto. This later cause many protests and arguments.

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British invasions of the Rio de la Plata unsuccessfully attempted to establish control over Spain's southern colonies. This would be part of the Napoleonic Wars. Spanish troops offered no defense but British repelled by local civilians and militias (to 1807).

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Establishment of the Viceroyalty of the Rio de la Plata took place. omprising today's Argentina, Uruguay and Paraguay as well as much of present-day Bolivia. They declared Buenos Aires to be the capital.

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The Portuguese established a trading post across the Rio de la Plata from Buenos Aires. The trading post allowed Argentina to import and export many goods to their country. It helps improve the GDP and their market.

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The Inca Empire was under the rule of emperor Pachacutec. The empire later concurred present day Northwestern Argentina. They then integrated it into a region called Collasuyu.