Mexican War of Independence
The Mexican War of Independence () was an armed conflict, and the culmination of a political and social process which ended the rule of Spain in 1821 in the territory of New Spain. The war had its antecedent in Napoleon's French invasion of Spain in 1808; it extended from the Cry of Dolores by Father Miguel Hidalgo y Costilla on September 16, 1810, to the entrance of the Army of the Three Guarantees led by Agustín de Iturbide to Mexico City on September 27, 1821. September 16 is celebrated as Mexican Independence Day.
Provisional Government of Mexico (1823–24)
On September 27, 1821 after three centuries of Spanish rule, Mexico reached its independence. The Treaty of Córdoba recognized part of the Viceroyalty of New Spain as an Independent Empire, which was recognized as "Monarchist, constitutional and moderate". The new country adopted the name of Mexican Empire.