The significance of the number 21 at Arlington National Cemetery is the way they guard the "Tomb of the Unknowns". They walk 21 steps, pause for 21 seconds, and then walk 21 steps the other way. They get this from the 21 gun salute.
This is because there is a twenty-one gun salute, so for every salute there is a step.
Yes, President Regan Waived eligibility rules for burial at Arlington National Cemetery, and Louis was buried there with full military honors on April 21, 1981. Plot: Section 7A, Grave 177
Arlington Park is a racetrack in the Chicago suburb of Arlington Heights Illinois. Like in all gambling establishments in Illinois, the minimum age for gambling is 21 years old.
21 miles
21 miles
(revised) Full military honors includes an escort platoon, color guard, military band, and a caisson in Arlington National Cemetery (if available). The original answer may have merit in some parts of the country where a dedicated Honor Guard is not available. (original) If it's a funeral, there isn't a requirement. It's a request. You can have a full military honors funeral with just pallbearers, 21 gun salute, and flag presenter and folder.
Hilarion Banks was born on July 21, 1985, in Arlington, Texas.
Mark Twain, whose real name was Samuel Clemens, was buried in Woodlawn Cemetery in Elmira, New York. His grave site overlooks the Chemung River.
Kelsey Keel was born on April 21, 1987, in Arlington, Virginia, USA.
Nathan Childs was born on June 21, 1977, in Arlington, Texas, USA.
Shirley McGee died on June 21, 2011, in Arlington, Texas, USA.
Hollee McMurray was born on February 21, 1988, in Arlington, Texas, USA.