11.
Eleven
Texas was the seventh state to secede.
There were 11 states that seceded to form the Confederate States of America :AlabamaArkansasFloridaGeorgiaLouisianaMississippiNorth CarolinaSouth CarolinaTennesseeTexasVirginia(see related question)
The Southern states seceded from December of 1860 to April of 1861.
The Confederate States Of America was formed by eleven states that seceded from the United States.
The upper southern states seceded when Lincoln was elected president of the United States.
No states seceded from the Civil War. Seven states had seceded from the USA by the time of Fort Sumter, and four more seceded as a result of it. Later one new state, West Virginia, seceded from Virginia.
None of the Border States seceded even though they were slave states.
After President Lincoln called for troops in April 1861 to suppress the rebellion, four additional Southern states seceded from the Union. These states were Virginia, Arkansas, Tennessee, and North Carolina. Their decisions to secede were driven by a combination of factors, including states' rights, slavery, and opposition to what they perceived as federal overreach. This brought the total number of Confederate states to eleven.
The Confederate States of America was formed in February 1861 by seven states which had seceded from the Union.
None of them did. There is a link below to a question about states that seceded in the 19th century.
Following Lincoln's call for troops after the attack on Fort Sumter, four states initially seceded from the Union: South Carolina, Mississippi, Florida, and Alabama. They were later joined by Georgia, Louisiana, Texas, Virginia, Arkansas, Tennessee, and North Carolina, making a total of eleven states that seceded.