After the Spanish conquest of the Aztec Empire was successfully archived in 1521, Mexico became part of the Spanish Empire as the Viceroyalty of New Spain, which lasted until 1821 when the Kingdom of Spain officially recognized the independence of Mexico by signing the Treaty of Córdoba.El Colegio de México (2007), p. 529-530. Ferdinand VII never gave his approval to the treaty signed by Juan O'Donojú, until he died in 1833, serious negotiations started to formalize the independence, the "Treaty of Peace and Friendship" was signed on December 28, 1836.El Colegio de México (2007), p. 540–544.
After the Spanish conquest of the Aztec Empire was successfully archived in 1521, Mexico became part of the Spanish Empire as the Viceroyalty of New Spain, which lasted until 1821 when the Kingdom of Spain officially recognized the independence of Mexico by signing the Treaty of Córdoba.El Colegio de México (2007), p. 529-530. Ferdinand VII never gave his approval to the treaty signed by Juan O'Donojú, until he died in 1833, serious negotiations started to formalize the independence, the "Treaty of Peace and Friendship" was signed on December 28, 1836.El Colegio de México (2007), p. 540–544.