Revolutionary War
18 years.
Controversy exists (to no ones surprise) whether the youngest US serviceman killed in Vietnam was 15 or 16 years of age.
The USS Constitution is the oldest comissioned ship in the US Navy. The USS Constitution is "Old Ironsides" and is the oldest ship still commissioned by the U.S. Navy.
The oldest veteran of World War II is currently Richard Overton. He is living in America at the age of 107 years old.
The first US capital was Philadelphia. This would be the oldest capital of the US.
The oldest sporting venue in the US is Saratoga Race Course.
The first US capital was Philadelphia. This would be the oldest capital of the US.
A US Vietnam War veteran in the year 2008 could be around the age of 50. There were US Marines/US Air Force/US Navy Aircrewmen younger than 19 years old in Vietnam in 1975.
The oldest US serviceman to die in the Vietnam War was Clyde Taylor, age 62.
"Ohio pulp mills" oldest paper recycling plant in US
oldest yacht club in America ??
Chickamauga and Chattanooga National Military Park was the first of its kind, in 1890.