The 135th Infantry Regiment is an infantry regiment in the Minnesota Army National Guard. During the Civil War, the First Minnesota Regiment, today the 2nd Battalion, 135th Infantry Regiment (2/135) was the first volunteer regiment to offer its services to President Lincoln. The men of the 1st Minnesota are most remembered for their actions on the late afternoon of 2 July 1863, during the second day's fighting at Gettysburg, resulting in the prevention of a serious breach in the Union defensive line on Cemetery Ridge.