In the United States, there are many cemeteries specifically devoted to veterans, maintained by the military, such as Arlington Cemetery[?]. Most have various rules regarding what must take place in order to be interred there.
The following are the religious emblems available for gravestones.
... Schmidt[?], tenor (+ 1942)
March 7 - Reinhard Heydrich, Nazi official
March 20 - B. F. Skinner, behavioral psychologist (+ 1990)
March 23 - Joan Crawford, ...