Ironside (cavalry) and foot soldiers in Jo Walton's alternate history series the Small Change trilogy are named 'Ironsides'. Lawrence J. Epstein writes that the lyric "heaven is like Ironside's" in Bob Dylan's I Pity the Poor Immigrant refers to the puritanical view of religion shared by the followers of Cromwell. Ironside (cavalry) The Ironsides were troopers in the Parliamentarian cavalry formed by English political leader Oliver Cromwell in the 17th century, during the English Civil War. The name came from "Old Ironsides", one of Cromwell's nicknames. Cromwell first mustered a troop of cavalry (then referred to as "horse") at Huntingdon in Huntingdonshire,
Arkansas in the American Civil War Mississippi River and would eventually comprise a division in the Confederate Army of Tennessee. All but one infantry regiment and all of the cavalry and artillery units served most of the war in what was known as the "Western Theater", where there were few battles that were on the scale of those in the "Eastern Theater". Beginning in 1862, the Confederate States west of the Mississippi River were assigned to the Department of the Trans-Mississippi. All of the new unit raised and organized after May 1862 would remain in the Trans-Mississippi for the remainder of the war. One infantry regiment,