Ironside (cavalry) 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, on 29 August 1642, early in the Civil War. John Desborough was quartermaster. The troop was late in being organised, and arrived too late to participate in the Battle of Edgehill, the first pitched battle of the war. Cromwell however did witness the defeat of the Parliamentarian horse
Cavalry in the American Civil War (later, "squadrons"), two "wings" of six companies each was used through the Indian Wars. Civil War regiments were rarely near authorized strength so that they were commonly brigaded with two to four other regiments. Two to four brigades were combined into divisions. By the end of the war, 272 cavalry regiments were formed in the Union Army and 137 in the Confederate Army. Early in the war, most cavalry regiments were dispersed to be under the command of infantry formations, such as divisions or corps. As commanders realized the importance of long-range reconnaissance and raiding, the organizations changed to consolidate