Mexico has been an independent country since 1821.
None. Mexico is an independent country since 1810.
Mexico had been an independent country since 1821.
You mean as a colony? No, it has been an independent country since 1821.
Mexico (the country, not the US state of NEW Mexico) was already independent since 1821.
Since it became an independent country in 1821.
As a modern, independent country, Mexico has had a government since 1821. The republic was founded in 1823.
New Mexico is a state which belongs to the United States since 1848. It was part of the country of Mexico, and was acquired after the Mexican-American War (1846-1848). Mexico, the country from which New Mexico was acquired, is an independent country south of the United States. Its capital is Mexico City.
It has been independent since 1821.
If you mean NEW Mexico, it is a state located in the southwestern United States.
I guess you mean the state of New Mexico, which was acquired during the Mexican-American War (1846-1848). If you mean the country of Mexico, it has been an independent country since 1810.
Since 1821, at the end of its War of Independence.