Columbus's letter on the first voyage is the first known document announcing the results of the first voyage of Christopher Columbus that set out in 1492 and reached the Americas. The letter was ostensibly written by Columbus himself, on February 15, 1493, aboard the caravel Niña, while still at sea, on the return leg of his voyage. A post-script was added upon his arrival in Lisbon on March 4, 1493, and it was probably from there that Columbus dispatched two copies of his letter to the Spanish court.