28th Massachusetts Infantry Regiment

28th Regiment Massachusetts Volunteer Infantry
28th Massachusetts Irish Brigade "Tiffany" flag, presented by Brig. Gen. Thomas Francis Meagher.
Active	December 13, 1861 – June 30, 1865
Country	United States of America
Allegiance	Union
Branch	United States Army
Type	Infantry
Size	1,778
Part of	In 1863: 2nd Brigade (Meagher's), 1st Division (Hancock's), II Corps, Army of the Potomac
Nickname(s)	4th Regiment of the Irish Brigade
Motto(s)	Faugh a Ballagh! (Clear the Way!)
Colors	Green
March	Garryowen
Engagements	Battle of Secessionville Second Battle of Bull Run Battle of Chantilly Battle of Antietam Battle of Fredericksburg Battle of Chancellorsville Battle of Gettysburg First Battle of Auburn Battle of Bristoe Station Battle of the Wilderness Battle of Spotsylvania Court House Battle of Cold Harbor Siege of Petersburg Battle of Appomattox Court House
Commanders
Notable commanders	Col. Richard Byrnes
Insignia
II Corps (1st Division) badge

The 28th Massachusetts Infantry regiment was the second primarily Irish American volunteer infantry regiment recruited in Massachusetts for service in the American Civil War. The regiment's motto (or cry) was Faugh a Ballagh (Clear the Way!)