In March 1500, Spanish conquistador Vicente Yáñez Pinzón was the first documented European to sail into the river.[33][disputed – discuss] Pinzón called the river flow Río Santa María del Mar Dulce, later shortened to Mar Dulce (literally, sweet sea, because of its fresh water pushing out into the ocean). Another Spanish explorer, Francisco de Orellana, was the first European man to travel from the founts situated in the Andes to the end of the river. In this travel, Orellana bapthized some of the affluents of the amazonas like Rio Negro, Napo or Jurua. The name Amazonas came from the natives warriors that attacked this expedition, mostly women, that reminded Orellana of the woman warriors the Amazonas from the Hellenic culture.