Mexico, which is another country.
Yes, what now comprises the American states of New Mexico, Nevada, and Utah were from 1821 to 1847 the Mexican territory of Nuevo México.
1821.
Spain
Nicaragua was a country in 1821 in september
The northen paiute, in nevada
On 1821 after it successfully won its war of independence against Spain.
September 27, 1821
1821
The French belong to the country of France.
St. Helena in the South Atlantic Ocean 5th May 1821 and it was a part of the UK.
In 1821, California became a part of Mexico after gaining independence from Spain.