 Complete the following phrase:  The 4th Texas Infantry Regiment was a unit of Confederate States Army infantry volunteers that was created in 1861 and fought in the Army of Northern Virginia during the American Civil War. As part of the famous Texas Brigade, the regiment fought at Elthams Landing, Seven Pines, Gainess Mill, Second Bull Run, South Mountain, Antietam, and Fredericksburg in 1862. It fought at Suffolk, Gettysburg, Chickamauga and Wauhatchie in 1863 and 