Pedro Teixeira

Pedro Teixeira (b.1570-1585 - d.4 July 1641), occasionally referred to as the Conqueror of the Amazon, was a Portuguese explorer and military officer, who became, in 1637, the first European to travel up and down the entire length of the Amazon River, he also headed the government of the captaincy of Pará in two different periods, one in 1620-1621 and another in 1640–1641.