Mexican Navy From that year until 1939 it existed jointly with the Mexican Army in the organic ministry. Since its declaration of independence from Spain in September 1810, through the mid decades of the 19th century, Mexico found itself in a constant state of war, mostly against Spain which had not recognized its independence. Therefore, its priority was to purchase its first fleet from the U.S. in order to displace the last remaining Spanish forces from its coasts. The Mexican Navy has participated in many naval battles to protect and defend Mexico's interests. Some of the most important battles were: The first
Mexican War of Independence of Iguala, Iturbide persuaded Guerrero to join his forces in support of this conservative independence movement. A new army, the Army of the Three Guarantees, was placed under Iturbide's command to enforce the Plan of Iguala. The plan was so broadly based that it pleased both patriots and loyalists. The goal of independence and the protection of Roman Catholicism brought together all factions. Iturbide's army was joined by rebel forces from all over Mexico. When the rebels' victory became certain, the Viceroy resigned. On August 24, 1821, representatives of the Spanish crown and Iturbide signed the Treaty of Córdoba, which