A boat sailing through one of the tributaries of the Amazon to Iquitos about 40 miles near the town of Indiana. The first European to sail near the Amazon River estuary was Amerigo Vespucci in 1499.3 After the Spanish Vicente Yanez Pinzon and Diego de Lope explored the islands that are part of the huge estuary. The first descent of the Amazon from the Andes by Europeans was made by Francisco de Orellana in 1541. The first ascent of the river by a European was in 1638 by Pedro Teixeira, Portuguese, who reversed the route of Orellana and reached Quito via the Napo River. He returned in 1639 with the Jesuit fathers Acuna and Artieda, delegates from the viceroy of Peru to accompany Teixeira.Francisco de Orellana Guayaquil left the February 4, 1541, reached Quito and reorganizes his caravan consisted of 23 men. Orellana and his men held several battles with warring tribes that came in its path, thereby suffering several setbacks. Over time, every day of the expedition were dying, supplies were being depleted, until you have nothing to eat. It was now December and most of the explorers realized that the issue would not reach the place you wanted, so they began to rise. But such was the faith and perseverance that on February 12, 1542, we discover the immense river sea.The name "Amazon River" was placed by Francisco de Orellana after having a fight with a bold and women warriors, with whom he fought on 24 June 1542.El Amazon River originates in the foothills of Mount Misti in Arequipa, Peru. Among the various names given to the Amazon River along its course, stand out on the following: Lloqueta, Apurimac, Ene, Tambo, Ucayali, Marañón and Amazon. When the river enters Brazil Solimões River was renamed for a long stretch. Then come back to take the name of the Amazon River at its confluence with the Black River.