Eleven years and twelve days: from September 15, 1810 to September 27, 1821.
Mexico was known as New Spain before it gained independence from Spain in 1821.
Viceroyalty of the New Spain
Mexico fought a War of Independence from 1810 to 1821.
Mexico declared its Independece in 1810. Spain recognized that Indepence in 1821. Texas declared its Independence in 1836. Texas was a Republic for nine years before becoming a state in 1845.
Mexico gained independence in the year of 1821.
Spain
Right.
Spain
No. After Spain conquered Mexico, it eventually conquered the territories known as present-day Texas.
Yes; before its independence, Mexico's official name was "Viceroyalty of the New Spain".
Mexico gained independence in 1821.
None. Mexico's independence was attained in 1821, from Spain.