Independence of Brazil

The Independence of Brazil comprised a series of political and military events that occurred in 1821–1824, most of which involved disputes between Brazil and Portugal regarding the call for independence presented by the Brazilian Empire. It is celebrated on September 7, the anniversary of the September 7, 1822 date regent Prince Dom Pedro declared Brazil's independence from Portugal. Formal recognition came with a treaty signed by both Brazil and Portugal in late 1825.

The land now called Brazil was claimed by Portugal in April 1500, on the arrival of the Portuguese fleet commanded by Pedro Álvares Cabral. The Portuguese encountered Indigenous nations divided into several tribes, most of whom shared the same Tupi-Guaraní language Black Mountains (Arizona) family, and shared and disputed the territory.

Though the first settlement was founded in 1532, colonization was effectively started in 1534, when King John III divided the territory into fifteen hereditary captaincies. This arrangement proved problematic, however, and in 1549 the king assigned a Governor-General to administer the entire colony. The Portuguese assimilated some of the native tribes while others slowly disappeared in long wars or by European diseases to which they had no immunity.

By the mid-16th century, sugar had become Brazil's most important export due to the increasing international demand for sugar. To profit from the situation, by 1700, over 963,000 African slaves had been brought across the Atlantic to work in Brazil. More Africans were brought to Brazil up until that date than to all the other places in the Americas combined.

Through wars against the French, the Portuguese slowly expanded their territory to the southeast, taking Rio de Janeiro in 1567, and to the northwest, taking São Luís in 1615. They sent military expeditions to the Amazon rainforest and conquered English and Dutch strongholds, founding villages and forts from 1669. In 1680 they reached the far south and founded Sacramento on the bank of the Rio de la Plata, in the Banda Oriental region (present-day Uruguay).

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