Hannibal Hamlin was Abraham Lincoln's 1st Vice President and served from 1860-1864. He was replaced in Lincoln's 2nd term by Andrew Johnson who had performed well managing war torn Tennessee. Hamlin is the only sitting Vice President in US History to serve on active military duty. Knowing that he would be leaving office soon, in the summer of 1864, he returned to his home state of Maine, where he had enlisted as a private, and served as an enlisted man protecting the coast.

Hannibal Hamlin was Abraham Lincoln's 1st Vice President and served from 1860-1864. He was replaced in Lincoln's 2nd term by Andrew Johnson who had performed well managing war torn Tennessee. Hamlin is the only sitting Vice President in US History to serve on active military duty. Knowing that he would be leaving office soon, in the summer of 1864, he returned to his home state of Maine, where he had enlisted as a private, and served as an enlisted man protecting the coast.