Tennessee
Tennessee was the first state to be readmitted into the Union on July 24th, 1866.
South Carolina
The first southern state to secede from the Union was South Carolina, which did so on December 20, 1860.
James Buchanan
Tennessee
Abraham Lincoln
South Carolina succeeded in seceding first.
South Carolina
Southern Union Co. is based in Austin Texas
South Carolina seceded from Union December 20th, 1860
No, that would be Tennesse.