What states sceeded from the union during the civil war?

There were 11 states that officially seceded from the United States. There were also pro-Confederate governmental groups active in Missouri and Kentucky, and in the territory of New Mexico.

The names and dates of secession for the 11 states that formed the Confederate States of America :

1. South Carolina - December 20, 1860
2. Mississippi - January 9, 1861
3. Florida - January 10, 1861
4. Alabama - January 11, 1861
5. Georgia - January 19, 1861
6. Louisiana - January 26, 1861
7. Texas - February 1, 1861
8. Virginia - April 17, 1861, ratified May 23, 1861
9. Arkansas - May 6, 1861
10. Tennessee - May 7, 1861, ratified June 8, 1861
11. North Carolina - May 20, 1861