1821 in Mexico

Events in the year 1821 in Mexico.

Incumbents

 * Regent-Agustín de Iturbide

Events

 * February 24 – Army of the Three Guarantees formed
 * August 24 – Mexico gains its independence from Spain from ratifying the Treaty of Córdoba.
 * September 28 – The Declaration of Independence of the Mexican Empire is ratified.
 * September 29 – Agustín de Iturbide is proclaimed as the President of the Regency.

Deaths

 * Maria Fermina Rivera, Heroine of Mexican War of Independence (exact date unknown)