Confederate Memorial (Arlington National Cemetery)
Arlington National Cemetery was established in June 1864 as a cemetery for Union (United States of America) Civil War dead. The first military burial at Arlington (a white soldier, William Henry Christman) was made on May 13, 1864, close to what is now the northeast gate in Section 27. However, formal authorization for burials was not given by Major General Montgomery C. Meigs (Quartermaster General of the United States Army) until June 15, 1864.
Houston National Cemetery
First established on December 7, 1965 as a Veterans Administration Cemetery, it became Houston National Cemetery in 1973 after the passage of the National Cemetery Act. It was the only government cemetery constructed in the United States during the 1960s and was the largest of its kind at the time of construction. At , the cemetery is smaller than the of Arlington National Cemetery.