September 27, 1821.
To end Texas Independence.
Through a War of Independence (1810-1821).
September 16, 1810.
Since 1821, at the end of its War of Independence.
Mexico won the 11 year war and won its independence from Spain. Mexico was to have the missions shut down. That was the end of the missions system.
The war lasted from October 2, 1835
Mexico was seeking independence from Spain.
Mexico fought a War of Independence from 1810 to 1821.
From 1521 until the end of Mexican War of Independence in 1821, Mexico was part of the Spanish Empire.
Yes; at the end Mexico won against France and restored the Republic.
The situation when the independence of Mexico started was that World War II.