For 10 points, name this office allegedly held by Agustin de Iturbide and Maximilian in a Latin American country.
A document issued by someone who gave himself this title was to implement racial equality, independence, and a ban on non-Catholic religions, and a man was swept into this office on the Army of the Three Guarantees. That person was the first to hold this title and had earlier fought off José María Morelos at Valladolid before issuing the Iguala Plan. The second person to hold this title was married to the insane Carlota and was executed at Querétaro over the protestations of Victor Hugo and Giuseppe Garibaldi. For 10 points, name this office allegedly held by Agustin de Iturbide and Maximilian in a Latin American country.
A document issued by someone who gave himself this title was to implement racial equality, independence, and a ban on non-Catholic religions, and a man was swept into this office on the Army of the Three Guarantees.
{Emperor of Mexico}