And fought in some of The Civil War's most bloody battles, including Seven Pines, Fredericksburg, Chancellorsville, Antietam, Gettysburg and The Wilderness.

The unit was commanded by Tennent C. Lomax until he was killed in action at Seven Pines on June 1, 1862.

[2] By war's end the regiment would surrender at Appomattox Court House.

There is a monument located on Oak Hill under the name O'Neal's Brigade, which honors the 3rd as well as the 5th, 6th, 12th and 26th infantry regiments.

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