State History A brief history of the state of South Carolina from the State Library. Learn More about State History County Histories Read a summary of the history of each county in South Carolina. Learn More about County Histories Maps Tracing the formation of counties in SC These maps describe how each of South Carolina’s 46 counties was formed. Learn More about Maps Tracing the formation of counties in SC National Register of Historic Sites in SC Significant historical, architectural, or archaeological properties listed in the National Register of Historic Places. Learn More about National Register of Historic Sites in SC Research at the SC Archives and History Center An introduction to research at the SC Archives. Learn More about Research at the SC Archives and History Center