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