Battery D, 1st Illinois Light Artillery Regiment was an artillery battery from the state of Illinois that served in the Union Army during the American Civil War. The battery was authorized in July 1861 at Cairo, Illinois. The unit fought at Fort Donelson and Shiloh in 1862, Port Gibson, Raymond, Jackson, Champion Hill, and Vicksburg in 1863, and Meridian, Atlanta, and Nashville in 1864. The battery was mustered out of Federal service in July 1865. History Organization Organized at Cairo, Ill., and mustered in July 30, 1861. Ordered to Fort Holt, Ky., September 18, and duty there until February, 1862. Attached to 2nd Brigade, 1st Division, District of Cairo, February, 1862. 3rd Brigade, 1st Division, District of West Tennessee, and 1st Division, Army Tennessee, to July, 1862. 1st Division, District of Jackson, Tenn., to November, 1862. District of Jackson, 13th Army Corps (Old), Dept. of the Tennessee, November, 1862. Artillery, 3rd Division, Right Wing 13th Army Corps, to December, 1862. Artillery, 3rd Division, 17th Army Corps, Army of the Tennessee, to November, 1864. Artillery Reserve, Nashville, Tenn., to December, 1864. Garrison Artillery, Clarksville, Tenn. 5th Sub-District, District Middle Tennessee, to July, 1865. Service Operations against Fort Henry, Tenn., February 2–6, 1862. At Fort Henry February 6–12. Investment and capture of Fort Donelson, Tenn., February 12–16. Moved to Savannanh, Tenn., March 5–13, thence to Pittsburg Landing, Tenn., March 23–25. Battle at Shiloh, Tenn., April 6–7. Advance on and siege of Corinth, Miss., April 29 – May 30. March to Purdy and Jackson, Tenn., June 5–8, and duty in District of Jackson until November. Grant's Central Mississippi Campaign November 2, 1862, to January 10, 1863. At Memphis, Tenn., until February 20. Moved to Lake Providence, La., February 20–24, thence to Berry's Landing March 16, and to Milliken's Bend April 19. Advance on Bruinsburg and turning Grand Gulf April 25–30. Battle of Port Gibson May 1. Reserve, Raymond May 12. Jackson May 14. Battle of Champion's Hill May 16. Siege of Vicksburg, Miss., May 18 – July 4. Assaults on Vicksburg May 19 and 22. Occupation of Vicksburg July 4 to November 6. Stevenson's Expedition to Monroe, La., August 20 – September 2. Expedition to Canton October 14–20. Bogue Chitto Creek October 17. Duty at Big Black until February, 1864. Meridian Campaign February 3 – March 3. Moved to Cairo, Ill., April 28, thence to Clifton, Tenn., April 30 – May 5, March