“Martín Fierro” is the famous epic poem by Argentine writer José Hernández, considered one of the most important works of 19th-century Argentine literature. It is the story of the gaucho Martín Fierro, who fights for his freedom and dignity in a changing world. The work reflects the conflict between the traditional rural lifestyle and advancing modernization. The poem is written in vernacular language and presents a vivid portrait of the life of Argentine gaucho shepherds, their customs, values, and worldview. “Martín Fierro” has become a symbol of Argentine national identity and an important cultural heritage of the Spanish-speaking world.