An actual peaceable and quiet possession of lands five years previous to July 4, 1776 shall be deemed a good and sufficient title and any grant obtained since that time, or which may be obtained, for such land is hereby declared null and void.
Effect of possession of lands five years before July 4, 1776
S.C. Code Ann. § 27-11-70, under Title 27, Chapter 11.
S.C. Code Ann. § 27-11-70