Barão do Rio Branco, born José Maria da Silva Paranhos Júnior in 1845, was a prominent Brazilian diplomat and statesman. He is best known for his role in defining Brazil's borders through negotiations with neighboring countries, particularly in the early 20th century. His efforts helped to establish Brazil's territorial integrity and reduce conflicts over land disputes. In recognition of his contributions, he was honored with the title of "Barão" and is celebrated as a national hero in Brazil. His diplomatic strategies and commitment to peaceful resolutions have made him a significant figure in the history of Brazilian diplomacy.