The popular officer led the division throughout the year, including during the Mine Run Campaign. Griffin participated in most of the major battles of the Army of the Potomac in 1864, including the Overland Campaign and Siege of Petersburg.
A well-known military leader guided the division for the entire year, playing a crucial part in significant events such as the Mine Run Campaign. Griffin was instrumental in many major battles of the Army of the Potomac in 1864, including the Overland Campaign and Siege of Petersburg.