The 1st Corps, 3rd Division, 1st Brigade

 Also known as Biddle’s Brigade. 

During the battle of Gettysburg, it served as a member of Doubleday's Division of the First Corps,  Army of the Potomac.

1st Brigade, 3rd Division, 1st Corps Plaque

Location of Brigade Plaque:  Reynolds Avenue, McPherson Ridge.

Main Inscription on Brigade Plaque

ARMY OF THE POTOMAC

FIRST CORPS THIRD DIVISION

FIRST BRIGADE

Col. Chapman Biddle

Brig. Gen. Thomas A. Rowley

80th New York 121st 142D 151st Penna. Infantry

July 1. Arrived and went into position about 11. 30 A. M. left of Reynolds’s Woods. The 151st Penna.   having been sent to reinforce Second Brigade on right of Reynolds’s Woods. The remaining regiments with Battery B 1st Penna. formed line facing west and held this position until near 4 P. M. when being pressed with superior numbers in front and outflanked on the left the Brigade retired to Seminary Ridge. On the withdrawal of the Corps the Brigade retired to Cemetery Hill and formed on the left along Taneytown Road and remained there until noon the next day.

July 2. Between 5 and 6 P. M. the Brigade was moved to the left centre from which First Division Second    Corps had been taken to support Third Corps.

July 3. Remained in the same position and assisted in repelling Longstreet’s assault in the afternoon taking many prisoners. At 6 P. M. withdrew to former position on Taneytown Road.

Casualties Killed 8 Officers 103 Men Wounded 41 Officers 516 Men Captured or Missing 8 Officers 222 Men Total 898

20th New York State Militia (Ulster Guard)

Also known as 80th New York Infantry

20th  NY State Militia Monument (Ulster Guard)

Located Reynolds Avenue.  It represents the position held by 80th New York Infantry, (also known as the 20th New York State Militia), from the late morning into the afternoon until forced to retire by the Confederate advance. on July 1, 1863.

Dedication Date: October 4, 1888.

Surviving members of the 20th NYSM at monument dedication.

Commander:   Col. Theodore B. Gates 

Number Engaged:   375


Casualties:  35 Killed, 111 Wounded, 24 Missing

Raised: Ulster County

Battles and Major Events:   Tendered services to the government, February 1861; 2^nd Bull run; Antietam; Fredericksburg; Wilderness; Spotsylvania; Cold Harbor; Petersburg; Mustered out January 29, 1866

Secondary Monuments and Markers

The unit has an secondary monument located on Hancock Avenue.  It marks the location the regiment held on July 2nd and 3rd 1863.  They were on Cemetery Ridge defending the position during Pickett's Charge.  It was dedicated on July 3, 1981

Secondary Monument of the 20th NY State Militia

121st Pennsylvania Infantry Regiment

121st Pennsylvania Monument

 Located on Reynolds Avenue.  It represents the position the regiment  on July 1, 1863, until they were outflanked and forced to fall back to Seminary Ridge.

Dedication Date: July 4, 1888. (Just after the 25th Anniversary of the battle)


Commander:  Maj. Alexander Biddle

Number Engaged:  306


Casualties:  12 killed, 106 wounded, 61 missing

Raised: Philadelphia and Venango County

Battles and Significant Events:  Organized at Philadelphia August 22 1862; Fredericksburg; The Wilderness; Spotsylvania; Petersburg; 5 Forks; Appomattox; Grand Review; Mustered out June 2, 1865


Secondary Monuments and Markers:
There is a secondary monument located on Hancock Avenue, this monument was originally located on Reynolds Avenue when dedicated in 1886, but was replaced in 1888 by the primary monument that is in place now.  This secondary monument marks the positions held by the regiment on July 2 and 3 1863.

Secondary Monument of 121st Pa on Hancock Avenue

142nd Pennsylvania Infantry Regiment

142nd Pennsylvania Monument on Reynolds Avenue
Located on Reynolds Avenue.  Represents position occupied on July1 1863, unit engaged the 11th 26th, 47th and 52nd North Carolina at this location.  In the afternoon of July 1st they were outflanked and retired  under arms to a position near the Lutheran Seminary.

Dedication Date: Sept. 11, 1889.

142nd Pennsylvania Infantry Recruiting Poster.

Commander: Col. Robert P. Cummins died on July 2 of wounds received on July 1.
 Lt. Col. Alfred B. McCalmont subsequently took command of the regiment

Number Engaged:  362

Casualties:  13 killed, 128 wounded, 70 missing

Raised: Fayette, Luzerne, Mercer, Monroe, Somerset, Union, Venagngo, and Westmoreland counties, Pennsylvania.

Major Events and Battles:   Organized at Harrisburg September 1, 1862; Fredericksburg; Chancellorsville; The Wilderness; Spotsylvania; Cold Harbor; Petersburg; 5 Forks; Appomattox; Grand Review; Mustered out May 29, 1865

151st Pennsylvania Infantry Regiment

151st Pennsylvania Monument on Reynolds Avenue

Located on Reynolds Avenue.  It represents the position held by on the afternoon of July 1, 1863, when heavily engaged with the 26th North Carolina until the regiment was outflanked and forced to retire to the Lutheran Seminary.  The 151st Pa is also known as "The School Teacher's Regiment" as Company D was made up mainly of teachers and students from a single school in Juniata County; additionally there were 13 teachers in the regiment.

Dedication Date: July 1, 1888. (25th Anniversary of the battle)

Surviving members of the 151st Pennsylvania at dedication of their monument.

Commander:   Lt. Col. George F. McFarland. Wounded on July 1 which led to the loss of his right leg.  Captain Walter L. Owens subsequently took command of the regiment.

Number Engaged:  467

Casualties:  51 killed, 211 wounded, 75 missing 
*Second highest casualty total of all Union Regiments at Gettysburg

Raised:  Berks, Juniata, Pike, Susquehanna, and Warren counties, Pennsylvania. 

Major Battles and Events:  Organized at Harrisburg October 18, 1862;  Mustered into service November 24, 1862; Battle of Chancellorsville; Battle of Gettysburg; Mustered out of Army July 27, 1863.

Colors of the 151st Pennsylvania Infantry Regiment

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