The provided text commemorates Juan Santamaría Day, a significant national holiday in Costa Rica that honors the country’s most famous military hero. The article recounts the Battle of Rivasin 1856, where a young drummer boy sacrificed his life to set fire to a stronghold occupied by the forces of American filibuster William Walker. This courageous act forced the enemy to retreat and ultimately secured a vital Costa Rican victory. Today, Santamaría is immortalized through various monuments and landmarks, most notably the nation’s primary international airport. His legacy serves as a lasting symbol of patriotism and national identity for the Costa Rican people.