Breckinridge later was selected as the nominee for Vice President of the United States, and the duel was the only memorable thing he had done up that point. He served in that role under President James Buchanan from March 4, 1857 to March 4, 1861.
Breckinridge's nomination for Vice President of the United States came later, and the duel was the most memorable aspect of his early career. He held this position under President James Buchanan from March 4, 1857 to March 4, 1861.