the capture of Arkansas Post (January 10–11); expedition up the White River (January 12–14); Yazoo Pass Expedition (February 20 – April 5); action at Fort Pemberton (March 11–13); action at Haines' Bluff (April 29–2 May, May 18); action at Yazoo City, Mississippi (20–23 May); and the Yazoo River Expedition (24–31 May). Sunk by mine On July 13, 1863 Baron De Kalb was sunk by a mine (then called a "torpedo") in the Yazoo River, one mile below Yazoo City, Mississippi. Chronology January 11, 1862 against CSN vessels near Lucas Bend, Missouri. February 6, 1862 attacking Battle of Fort Henry, Tennessee. February 14, 1862 attacking Fort Donelson, Tennessee. (Hit 59 times with severe damage). Repaired at St. Louis. February 23, 1862 attacked Columbus, Kentucky, a demonstration during Battle of Belmont. March 15 through April 7, 1862, Battle of Island Number 10. April 13, 1862, attacked Fort Pillow May 10, 1862, involved in the Fort Pillow. June 6, 1862, Battle of Memphis destroying the Confederate Mississippi river fleet with her sister ships and several "Ellet Rams" June 17, 1862, participated in the expedition up the White River (Arkansas) bombarding positions at St. Charles, Arkansas. September 8, 1862, rechristened USS Baron De Kalb. November 21 through December 11, 1862; Expedition up the Yazoo River. December 5, 1862, captured the steamer Lottie. December 28, 1862, bombarded the batteries at Drumgold's Bluff. January 10–11, 1863, took part in the Battle of Fort Hindman, Arkansas March 11–23, 1863, took part in the Battle of Fort Pemberton, Tallahatchie River May 18, 1863, took part in capture of Battle of Haynes Bluff. May 19, 1863, captured the steamer Alonzo Child. May 20–23, 1863, helped destroy the Yazoo City Navy Yard. May 24–31, 1863, made an expedition up the Yazoo River. July 13, 1863, sunk by a torpedo one mile below Yazoo City. Armament Like many of the Mississippi theater ironclads, Baron Dekalb had its armament changed multiple times over life of the vessel. To expedite the entrance of Baron DeKalb into service, she and the other City-class ships were fitted with whatever weapons were available; then had their weapons upgraded as new pieces became available. Though the Dahlgren smoothbore cannons were fairly modern most of the other original armaments were antiquated; such as the 32-pounders, or modified; such as the 42-pounder "rifles" which were in fact, old smoothbores that had been gouged out to give them rifling. These