The Hacienda San Agustín de Puñual sat in the countryside outside Ninhue, the kind of inland Chilean estate where the rhythm of life ran by harvest and season rather than by clock. Prat was born here into a family of Spanish descent, in a landscape of low hills, vineyards, and farmland that has changed less than most of Chile over the century and a half since. The commune is still overwhelmingly rural — three-quarters of its people live outside the small town — and the valley keeps the same unhurried character that shaped the boy's earliest years. It is an ordinary, beautiful place, which is part of what makes the rest of the story so striking: heroes are supposed to come from somewhere grander than a farm in Ñuble.

By 1879 Chile was at war with Peru and Bolivia in the conflict history calls the War of the Pacific. On the twenty-first of May, off the port of Iquique, Captain Arturo Prat commanded the Esmeralda — an aging wooden corvette — against the Huáscar, a modern Peruvian ironclad under Admiral Miguel Grau. It was a mismatch of iron against wood, and everyone aboard knew it. When the Huáscar finally rammed his crippled ship, Prat did not strike his colors. He leapt onto the deck of the enemy ironclad, sword in hand, calling his men to follow him in a boarding action that was very nearly suicidal. He was cut down almost at once. The Esmeralda went to the bottom, and most of her crew went with her.

By every military measure, Iquique was a Chilean defeat. The ship was lost, the captain killed, the battle won by Peru. And yet the death of Arturo Prat did something that no victory could have. The story of a man who chose to leap at an enemy battleship rather than surrender swept through the Chilean ranks and the Chilean public, transmuting loss into resolve. His name became a rallying cry; enlistment surged; the war ground on toward an outcome that, years later, would favor Chile. Even his Peruvian adversary, Admiral Grau, was so moved by Prat's courage that he gathered the dead captain's effects and returned them to his widow with a letter of condolence — an act of chivalry between enemies that became part of the legend on both sides.

Few countries honor a single sailor the way Chile honors Arturo Prat. The twenty-first of May, the date he died, is Día de las Glorias Navales — Naval Glories Day — a national holiday. His name is everywhere: on streets and plazas in nearly every Chilean town, on a university in Iquique founded where he fell, on the bills people carry in their pockets. And it all traces back to a farmhouse near Ninhue, where a child was born who would grow up to teach his country a hard, enduring lesson about the difference between losing a battle and surrendering. The commune that produced him stays modest and rural, but it holds a place in the national memory out of all proportion to its size.