[1] The unit was disbanded in August due to pressure from President Abraham Lincoln and the War Department, since the policy at the time didn't allow for black soldiers.

The regiment was reorganized in November, with Trowbridge as captain of Company A, where his brother John Augustine also served.

[5] He was the first person to organize and command black troops during the Civil War, but Colonel Shaw's unit was the first to be formally mustered in.

In 1878, he was elected to the New York State Assembly as a Republican, representing the Kings County 4th District.

Their children were Jennie Elizabeth, Annie Elford, Charles Henry, and Josephine Temperance.

He was a member of the Grand Army of the Republic and the Military Order of the Loyal Legion of the United States.