sep 25, 1513 - Vasco Núñez de Balboa, first sees what will become known as the Pacific Ocean from the Isthimus of Darién.[15] This moment is later referenced in a poem by John Keats called "On First Looking into Chapman's Homer" with the line "silent upon a peak in Darién" although he mistakenly references Hernán Cortés as the one who saw the Pacific from Darién