Its opening in 1831 signaled a shift from austere churchyards to park-like cemeteries full of trees and flowers. E. Soldiers’ National Cemetery // Gettysburg, PennsylvaniaA vintage postcard of Soldiers’ National Cemetery, Gettysburg, Pennsylvania. | Author’s collectionPresident Lincoln’s Gettysburg Address announced the system of national cemeteries for casualties of federal battles. C. Fort Ross State Historic Park // Jenner, CaliforniaA vintage photograph of Fort Ross State Histori Site’s Russian cemetery. F. Silver Terrace Cemeteries // Virginia City, NevadaA vintage postcard of Silver Terrace Cemetery in Virginia City.