The Southern Conference was formed in 1921.
Alabama, Auburn, Clemson, Georgia, Georgia Tech, Kentucky, Maryland, Mississippi State, North Carolina, North Carolina State, Tennessee, Virginia, Virginia Tech and Washington & Lee were founding Southern Conference members.
Florida, LSU, Ole Miss, South Carolina, Tulane and Vanderbilt joined the Southern Conference in 1922.
Other current Power Five schools that joined the Southern Conference were Duke (1928), Wake Forest (1936) and West Virginia (1950).
In 1932, 13 schools of the Southern Conference, located west and south of the Appalachian Mountains, departed to form the Southeastern Conference.
Southern Conference schools Alabama, Auburn, Florida, Georgia, Georgia Tech, Kentucky, LSU, Mississippi, Mississippi State, Sewanee, Tennessee, Tulane, and Vanderbilt departed and became the founding institutions of the newly formed SEC.
Separation to form the new SEC conference was in part of having more of a focus on better athletic administration with fewer teams from the 23 schools of the Southern Conference. The Southern Conference also planned on increasing eligibility requirements.
How the SEC was formed by leaving a 23-team super conference
Jackie Sherrill discusses predicting super conferences in 1989, how expansion will continue
Following UCLA and USC leaving the Pac-12 to join the Big Ten, Vols Wire looks at current Power Five schools that could join the SEC to resemble the Southern Conference of the past.
Below are schools that could form a 30-team SEC in a super conference. The 30-team SEC would be a combination of former Southern Conference members, current SEC schools, future SEC teams in Oklahoma and Texas, and teams that are ideal additions.