Rebellion of New Spain (Short-lived US)

(Note: The next paragraph was copied from Wikipedia, with small changes)

The Rebellion of New Spain (1810–1821) was an armed conflict between the people of and the Spanish colonial authorities which started on 16 September 1810. The Rebellion was led by New Spaniards, Mestizos and Amerindians who sought independence from. The movement for independence was far from gaining unanimous support among New Spaniards, who became divided between independentists, autonomists and loyalists.

Miguel Hidalgo y Costilla declared war against the colonial government on the late night of 15 September 1810. After several victories, the rebels failed to defeat the large and heavily armed Spanish army in Mexico City. After retreating, the rebel forces fought the Battle of the Bridge of Calderón and lost, subsequently fleeing to the border of. The Spanish army, however, caught up with them and captured them. Hidalgo was executed on 30 July 1811.

However, this was not the last of the Rebellion. The leadership of the Rebellion was assumed by José María Morelos. The Rebellion occupied several cities and signed a document of independance in 1813. Morelos was captured and executed on 22 December 1815. The following six year guerrilla war. The rebel cause continued to lose ground, when Spain fell into civil war. Conservative Spanish general saw this as a threat to the status quo, and changed sides.

The tide turned yet again when the came into the war on the Spanish side, as a result of the. Under the command of British general, the Rebellion was put down and the land returned to Spain.

This war assured that Spain continued to be a power in the Americas, and began a lowering of tensions between the two empires.