 Complete the following phrase:  The 5th Texas Infantry Regiment was a unit of Confederate States Army infantry volunteers created in 1861 that fought in the Army of Northern Virginia during the American Civil War. The unit was 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 Gettysburg and Chickamauga in 1863 and 