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.
Independence: 16 September 1810 (From Spain). National Holidays: 1  Mexican Independence Day, September 16: the day that Miguel Hidalgo delivered El Grito de Dolores, and announced the Mexican revolt against Spanish rule. 2  Flag Day, February 24: honouring the Mexican Flag. 3  Primero de Mayo: May 1: equivalent to the U.S. Labor Day.