What is the infantry regiment that served in the Union Army during the American Civil War, that was also known as the 105th Infantry Regiment?
105th Infantry Regiment (United States):  Originally, it was known as the 2nd New York Volunteer Infantry Regiment, but it was redesignated in 1916. 2nd New York Volunteer Infantry Regiment: The 2nd New York Volunteer Infantry Regiment was an infantry regiment that served in the Union Army during the American Civil War.
i don't know