Barão do Rio Branco

Rio Branco represented Brazil in the Palmas (Misiones) arbitration against Argentina. U.S. President Grover Cleveland ruled in favor of Brazil, awarding it a large territory in the south. This established Rio Branco's reputation as a diplomat.

Rio Branco successfully argued Brazil's case in the arbitration of the Amap

Rio Branco was appointed Brazil's Minister of Foreign Affairs, a position he held until his death. He reorganized the diplomatic service and established the foundations of modern Brazilian diplomacy, focusing on peaceful resolution of border disputes.

Rio Branco negotiated the Treaty of Petr