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The 1st US Volunteer Cavalry Regiment.
"Rough Riders" was the nickname of the 1st United States Volunteer Cavalry Regiment.
The First US Volunteer Cavalry Regiment (Rough Riders)
The 1st United States Volunteer Cavalry Regiment was nicknamed the Rough Riders.
The 39th Regiment Illinois Volunteer Infantry.
Glory.
Massachusetts; The 54th Massachusetts Volunteer Infantry Regiment
32nd Regiment Michigan Volunteers - 1898 was released on: USA: July 1898
33rd Regiment Michigan Volunteers - 1898 was released on: USA: September 1898
1st Volunteer Cavalry Regiment.
The address of the 24Th Virginia Volunteer Infantry Regiment is: 6919 La Marre Drive, Roanoke, VA 24019-6225
As a guess, he knew no other commander would volunteer for something that would be a complete slaughter. And, perhaps, as the Colonel of a black regiment, he knew if he didn't volunteer his men, they would be ordered to do it.