45th New York Infantry Regiment

45th New York Infantry Regiment
Active	September 9, 1861, to October 1, 1865
Country	United States
Allegiance	Union
Branch	Infantry
Engagements	Battle of Cross Keys Second Battle of Bull Run Battle of Chancellorsville Battle of Gettysburg Battle of Wauhatchie Battle of Chattanooga Battle of Missionary Ridge Battle of Resaca Battle of Dallas Battle of Kennesaw Mountain

The 45th New York Infantry Regiment, also known as the 5th German Rifles, was an infantry regiment that served in the Union Army during the American Civil War. It was composed almost entirely of German immigrants.^[1][2] Formed approximately five months after the start of hostilities, the unit's service spanned almost the entirety of the war, and it saw action in several of the war's noteworthy battles, in both the Eastern and Western Theaters.