Generals Agustin de Iturbide and Vicente Guerrero, of the Army of Mexico jointly issue the “Plan de Iguala,” stating their intentions to establish Mexico as a constitutional monarchy with Roman Catholicism as the state religion.
[added 12/24/2021]
Subsequent Events:
References:
“Today in History,” Orange County (California) Register, 24 February 2011, News: 3.
Plan of Iguala – Wikipedia
en.wikipedia.org/wiki/Plan_of_Iguala