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. Battery was authorized in July 1861 at Cairo, Illinois. ąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąąą
Port Gibson, Raymond, Jackson, Champion Hill, and Vicksburg in 1863, and Meridian, Atlanta, and Nashville in 1864.<unk> Battery was mustered out of Federal service in July 1865.