Table:
text: USA South Athletic Conference
Current members
Current members
Institution Location_ Nickname Founded Type_ Enrollment Joined
Methodist University Fayetteville, North Carolina Monarchs 1956 Private/Methodist 2215 1963
North Carolina Wesleyan College Rocky Mount, North Carolina Battling Bishops 1956 Private/Methodist 900 1963
Piedmont College Demorest, Georgia Lions 1897 Private/Congregationalist 2640 2012

Question: When was Piedmont College formed among the current members of the USA South Athletic Conference?