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.
Historical background. After Mexico and Central America gained independence from Spain, in 1821, the Central American states came briefly under Mexican rule before separating in 1823 and creating a unified nation called the United Provinces of Central America.In the process, the province of Chiapas was annexed to Mexico.istorical background. After Mexico and Central America gained independence from Spain, in 1821, the Central American states came briefly under Mexican rule before separating in 1823 and creating a unified nation called the United Provinces of Central America.