Arlington National Cemetery, Virginia
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. Veterans from all the nation's wars are buried in the cemetery, from the American Revolution through the Iraq and Afghanistan. Pre-Civil War dead were reinterred after 1900.
Arlington National Cemetery and Soldiers Home National Cemetery are administered by the Department of the Army.
With more than 300,000 people buried, Arlington National Cemetery has the second-largest number of people buried of any national cemetery in the United States.
The Tomb of the Unknowns is one of the more-visited sites at Arlington National Cemetery The Tomb is made from Yule marble quarried in Colorado. It consists of seven pieces, with a total weight of 79 tons. The Tomb was completed and opened to the public April 9, 1932.
Unknown Soldier of World War I, was interred Nov. 11, 1921. President Harding presided.
5 Shawnee County WW1 Casualties buried at Aisne-Marne:

BOLINGER, William M.
DEACON, Thomas C.
GREENE, Lloyd C.
HEIZER, Robert S.
HUITT, Edward W.