Events in the year 1821 in Mexico.

Incumbents

Regent A regent (from Latin : ruling, governing) is a person appointed to govern a state '' pro tempore'' (Latin: 'for the time being') because the monarch is a minor, absent, incapacitated or unable to discharge the powers and duties of the monarchy ...

Agustín de Iturbide Agustín de Iturbide (; 27 September 178319 July 1824), full name Agustín Cosme Damián de Iturbide y Arámburu and also known as Agustín of Mexico, was a Mexican army general and politician. During the Mexican War of Independence, he built a ...

Events

* February 24 –

Army of the Three Guarantees At the end of the Mexican War of Independence, the Army of the Three Guarantees ( es, Ejército Trigarante or ) was the name given to the army after the unification of the Spanish troops led by Agustín de Iturbide and the Mexican insurgent troo ...

formed * August 24 – Mexico gains its independence from Spain from ratifying the

Treaty of Córdoba The Treaty of Córdoba established Mexican independence from Spain at the conclusion of the Mexican War of Independence. It was signed on August 24, 1821 in Córdoba, Veracruz, Mexico. The signatories were the head of the Army of the Three Guaran ...

. * September 28 – The

Declaration of Independence of the Mexican Empire The Declaration of Independence of the Mexican Empire ( es, Acta de Independencia del Imperio Mexicano) is the document by which the Mexican Empire declared independence from the Spanish Empire. This founding document of the Mexican nation was d ...

is ratified. * September 29 –

is proclaimed as the President of the

Regency A regent (from Latin : ruling, governing) is a person appointed to govern a state '' pro tempore'' (Latin: 'for the time being') because the monarch is a minor, absent, incapacitated or unable to discharge the powers and duties of the monarchy ...

Deaths

Maria Fermina Rivera María Fermina Rivera was an insurgent in the Mexican War of Independence where she was a part of Vicente Guerrero's small force. Rivera was born in Tlaltizapán, in what today is the state of Morelos. In 1821, Rivera accompanied her husband into ...

, Heroine of

Mexican War of Independence The Mexican War of Independence ( es, Guerra de Independencia de México, links=no, 16 September 1810 – 27 September 1821) was an armed conflict and political process resulting in Mexico's independence from Spain. It was not a single, co ...

(exact date unknown) Years of the 19th century in Mexico {{Mexico-hist-stub