The 209th Pennsylvania Infantry Regiment lost 2 officers and 17 enlisted men killed and mortally wounded and 20 enlisted men to disease during the Civil War.
|September 16||Organized at Harrisburg under Colonel Tobias B. Kauffman, Lt. Colonel George W. Frederick and Major John L. Ritchey|
|September 17||Left State for Bermuda Hundred, Va.|
|September||Siege operations against Petersburg and Richmond, Va. attached to Provisional Brigade, Defenses of Bermuda Hundred, Army of the James|
|November 17||Colonel Kauffman, Captain Henry Lee, Lieutenant Thomas Hendricks and 19 men captured on picket line during a Confederate assault. Lt. Colonel Kaufman assumes command of the reigment.|
|November 27||Joined Army Potomac before Petersburg. Attached to Hartranft’s Provisional Brigade, 9th Army Corps, Army Potomac|
|December 7-11||Movement in support of Weldon Railroad Expedition attached to 1st Brigade, 3rd Division, 9th Army Corps|
|February 5-7||Dabney’s Mills, Hatcher’s Run|
|March 25||Fort Stedman
Lieutenant Hugh Jones and four enlisted men were killed and 50 wounded in the counterattack on the fort.
|April 2||Assault on and fall of Petersburg
The regiment lost Captain James McCullough and 6 enlisted men killed and Major Ritchey, Lieutenants Henry Bigler and Balzer Shugar and 49 enlisted men wounded.
|April 3-9||Pursuit of Lee|
|April 9-20||At Nottaway C. H.|
|April 20-28||Moved to City Point, then to Alexandria|
|May 23||Grand Review|
|May 31||Mustered out at Alexandria. Recruits were transferred to the 51st Pennsylvania Infantry|