Paraguay River 98% of the country's inhabitants. As such the river is considered perhaps the key geographical feature of the country with which it shares its name. Some after flowing through the middle of Paraguay, at the confluence with the Pilcomayo River and passing the Paraguayan capital city, Asunción, the river forms the border with Argentina, flowing generally south-southwesterly for another before it reaches its end, joining with the Paraná River. The Paraguay River is the second major river of the Rio de la Plata Basin, after the Paraná River. The Paraguay's drainage basin, about , covers a vast area that includes
History of Paraguay (to 1811) those of the Jesuits. Tensions between the natives and the Europeans grew steadily during the last years of the 18th century. Almost no archaeological research has been done in Paraguay, and the pre-Columbian history of the country is amazingly documented. What is certain is that the eastern part of the country was occupied by Guaraní Indians for at least 2 years before the Spanish conquest. Evidence indicates that those indigenous inhabitants developed a fairly sophisticated level of political autonomy, with quasi-sedentary, multivillage chiefdoms. The recorded history of Paraguay began indirectly in 1516 with the failed expedition of Juan Díaz de