The 21st Virginia Infantry Regiment was an infantry regiment raised in Virginia for service in the Confederate States Army during the American Civil War...

The 21st Infantry Regiment ("Gimlet") is a United States Army infantry regiment. The 1st Battalion currently exists as part of 2nd Infantry Brigade Combat...

The 21st Massachusetts Infantry Regiment was an infantry regiment in the Union Army during the American Civil War. It was organized in Worcester, Massachusetts...

The 21st Ohio Infantry Regiment was an infantry regiment in the Union Army during the American Civil War. Mostly an all-volunteer unit, with the exception...

The 1st Virginia Infantry Regiment was an infantry regiment raised in the Commonwealth of Virginia for service in the Confederate States Army during the...

The 21st Regiment, Mississippi Infantry was a Confederate infantry regiment from Mississippi in the American Civil War. The regiment was involved in several...

The 21st New York Infantry Regiment ("1st Buffalo Regiment") was an infantry regiment in the Union Army during the American Civil War. The 21st New York...

The 65th Infantry Regiment, nicknamed "The Borinqueneers" during the Korean War for the original Arawak Indian name for Puerto Rico (Borinquen), is a...

21st Pennsylvania Volunteer Infantry was a three-month infantry regiment that served in the Union Army during the American Civil War. This regiment was...

The 21st Connecticut Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War. The 21st Connecticut Infantry...