22nd New York Infantry Regiment

The 22nd New York Infantry Regiment (not to be confused with the 22nd New York National Guard) was a volunteer regiment of the Union Army in the American Civil War.

The regiment suffered its first fatality when passing through Baltimore, when a man was killed by friendly fire during confusion among a mob.

It would go on to serve in the Army of the Potomac's I Corps and III Corps, and fight at the battles of Second Bull Run, South Mountain, Antietam, Fredericksburg, and Chancellorsville.

The regiment was mustered out of service on June 19, 1863, and those men who had signed three-year enlistments were transferred to the 76th New York and 93rd New York.

[1] Casualties during the course of the war were as follows: A unit with the lineage of the 13th New York State Militia, also designated the 22nd New York Volunteer Infantry Regiment, served in the Spanish–American War.