Mississippi was first settled in 1699 and joined the Union in 1817. After the Civil War, Mississippi was readmitted to the Union in February of 1870.
Alabama was readmitted in 1868.
1870
oobb
1871
There were a total of 11 states that seceded and then were readmitted to the Union. All of them were confederate states. They were South Carolina, Mississippi, Florida, Alabama, Georgia, Louisiana, Texas, Virginia, Arkansas, North Carolina, and Tennessee.
There were a total of 11 states that seceded and then were readmitted to the Union. All of them were confederate states. They were South Carolina, Mississippi, Florida, Alabama, Georgia, Louisiana, Texas, Virginia, Arkansas, North Carolina, and Tennessee.
It was readmitted through the process of Reconstruction.
In 1868, Alabama, Arkansas, Florida, Georgia, Louisiana, North Carolina and South Carolina were readmitted to the Union. Georgia, however, promptly forced all the black Americans out of their state legislature, which forced the U.S. Government to reinstate martial law. It was once again admitted back into the Union in 1870 along with the final former Confederate states of Texas, Virginia and Mississippi.
It joined the Union as the 20th US State on 10 December 1817. It seceded from the Union on 9 January 1861 and was readmitted on 23 February 1870.
Between 1868 and 1870, with exception of Tennessee, which had been readmitted to the Union in 1866.
The Union victory meant that the southern states never actually left the Union, so they didn't need to be readmitted.