History Of Amazonas (Brazilian State)
The history of Amazonas is the result of treaties, religious missions and a few indigenous rebellions in the Amazon territory. Initially, under the Treaty of Tordesillas, the site belonged to the Spanish Kingdom, but was later annexed by the Portuguese Crown. The state's international borders, undefined after Brazil's independence in 1822, were demarcated during the signing of the Vásquez Cobo–Martins treaty, Treaty of Bogotá. Archaeological research suggests past occupations by Paleo-Indians, Paleo-Indian hunter-gatherer groups, dated around 11,200 years before the present day. The period of greatest human development in the lowlands of the Amazon is known as the late Pre-Columbian era, pre-Columbian, which coincides with the European invasion in the 16th and 17th centuries and the socio-political dismantling of complex societies that occupied the channel of the Amazon River, Amazon river and inland. The territory was once part of a Portuguese administrative unit called the St ...
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