The Declaration of Independence of the Mexican Empire is drafted. It will be made public on 13 October.

The Declaration of Independence of the Mexican Empire (Spanish: 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 drafted in the National Palace in Mexico City on September 28, 1821, by Juan José Espinosa de los Monteros, secretary of the Provisional Governmental Board.

Three copies of the act were executed. One was destroyed in a fire in 1909. The other two copies are in the Museo Histórico de Acapulco Fuerte de San Diego in Acapulco and in the General Archive of the Nation in Mexico City.The document is 52.9 centimeters (20.8 in) wide and 71.8 centimeters (28.3 in) high.