Every year on May 21, Chile observes Navy Day to commemorate a pivotal maritime conflict against Peru during the War of the Pacific. Although the Chilean fleet suffered a tactical defeat at the Battle of Iquique, the holiday centers on the extraordinary martyrdom of Arturo Prat. This captain's refusal to surrender and his ultimate sacrifice transformed him into a national icon of resilience and courage. His legendary actions served as a powerful recruitment catalyst, inspiring a surge of volunteers who eventually secured a total Chilean victory. Today, the event is remembered not for the loss of a vessel, but for the heroic legacy that unified the country's military spirit.