What southern states seceded form the union from April-June1861

Mississippi, Florida, Alabama, Georgia, Lousiana, and Texas. The threat of secession by four more, Virginia, Arkansas, Tennessee, and North Carolina.

The secession of South Carolina was followed by the secession of six more states, Mississippi, Florida, Alabama, Georgia, Lousiana, and Texas. The threat of secession by four more, Virginia, Arkansas, Tennessee, and North Carolina.