The naval Battle of Hampton Roads (Virginia) concludes: Lieutenant Catesby ap Roger Jones, acting commander of the CSS Virginia fights to a draw against the USS Monitor, commanded by Captain John L. Worden.

       NOTE: This first battle between “ironclad” warships was a world-shaking event for admirals the globe over, as they realized that the wooden sailing vessel had now become obsolete.

       [added 3/26/2022]

Subsequent Events:

4/6/1862                 6/19/1864

References:

Battle of Hampton Roads – Wikipedia
en.wikipedia.org/wiki/Battle_of_Hampton_Roads

Chronology Of The American Civil War
civilwarhome.com/timeline.htm

Current U.s. National Debt:

$36,161,621,015,445

Source