Updated October 25, 2016. Definition: A budget deficit is when spending is greater than the revenue received for that year. That's known as deficit spending. The national debt is the accumulation of each year's deficit. When revenue exceeds spending, that creates a budget surplus.
Quick Answer. Mexico gained independence from Spain on Sept. 27, 1821. On Sept. 16, 1810, Miguel Hidalgo y Costilla declared independence from Spain by issuing the Grito de Dolores and launched the Mexican War of Independence. The war ended with the signing of the Treaty of Cordoba on Aug. 24, 1821.
The Latin American Wars for Independence were a turbulent time for these former Spanish colonies. It began when Napoleon Bonaparte dethroned Ferdinand and replaced him with his brother. This lead to a weakening of Spanish power in Latin America and a surge of support for independent republics. Mexico was the first to revolt and attempt to gain their independence, lead by Miguel Hidalgo y Costilla. This revolt, however, was unsuccessful and Hidalgo was executed in 1811. The next uprising took place in Buenos Aires where Bolivar and the Juntas lead a movement for Venezuelan Independence.