He enlisted in the 142d Regiment, Illinois Volunteers during the Civil War.
When seventeen years old he enlisted in the 1st Regiment of Life Guards.
At the age of 14 he enlisted in the 63rd Regiment of Foot which was based in Limerick at the time.
Charbonneau dropped out of politics in 1939 when he enlisted in the 1st Regiment of Zouaves.
The next day, the other brother enlisted in the 22nd Regiment, Michigan Volunteer Infantry, was accepted and served until the end of the war.
He enlisted as a private in the 8th Regiment of the Kentucky Militia, but eventually was elected a lieutenant.
Not long after the marriage, he enlisted in the 91st Regiment of the Pennsylvania Volunteers as a Fife-Major.
In 1844 he enlisted in the 67th Regiment of Foot and then transferred in 1856 to the 90th.
Savin enlisted in the 2nd Regiment of Hussars in 1788, claiming to have been born in 1768.
Enlisted in the Second Regiment, Ohio Volunteer Cavalry, in 1861.