Arlington National Cemetery Facts Arlington Mansion and 200 acres of ground immediately surrounding it were designated officially as a military cemetery June 15, 1864, by Secretary of War Edwin M. Stanton. Scene at Arlington National Cemetery More than 300,000 people On behalf of myself and my family. I thank all of the Vets out there. Price set at cost only- I will Make No money from this sticker So Please- go Thank A Vet today!!