All of present-day Mexico, California, Nevada, Utah, Arizona, New Mexico and Texas, as well as parts of Wyoming, Colorado, Oklahoma and Kansas. Also most of Central America excluding Belize and Panama were part of Mexico at the time, and achieved independence from Spain at the same time.
Declared: September 15, 1810Recognized: September 27, 1821
Spain
In 1821, Mexico finally won its independence from Spain. Your welcome!
Mexico fought a War of Independence from 1810 to 1821.
Spain qualifies as such.
Peru gained independence from Spain on July 28th 1821.
Spain.
Mexico gained independence in 1821.
1821.
Declared: September 16, 1810. Won: September 27,1821.
Spain. They gained their independence in 1821, on the 15th of September.
Mexico gained independence in the year of 1821.