Florida Historical Society was created in 1856.
Florida Central Academy was created in 1959.
Central Florida Council was created in 1922.
College of Central Florida was created in 1957.
Central Florida Future was created in 1968.
Historical Society of Pennsylvania was created in 1824.
Royal Historical Society was created in 1868.
Minnesota Historical Society was created in 1849.
Virginia Historical Society was created in 1928.
Connecticut Historical Society was created in 1825.
Conrail Historical Society was created in 1995.
Ypsilanti Historical Society was created in 1961.