It became a continent/country of its own!
They declared independence from mexico
Spain
Texas
Washington-on-the-Brazos
Israel declared independence and had war declared on it.
Declared: September 16, 1810. Won: September 27,1821.
This is a trick question. Mexico didn't declare independence until 1810 (from Spain).
Declared: 1810Internationally recognized: 1821
Central America
September 16, 1810.
America declared it's independence from England by signing the Declaration of Independence
Modern Mexico was established on September 15, 1810 when it declared its independence from Spain.