APRIL 11TH, 1861: General Beauregard's demand for the evacuation of Fort Sumter is refused by Major Robert Anderson. The die is cast.
** Commander James Alden was ordered to report to Captain McCauley to take command of the Merrimack. The following day Chief Engineer Benjamin Isherwood was sent to Norfolk to put the ship's engines in working order as soon as possible.
** U.S. steamship Coatzacoalcos arrived in New York, returning Union troops from Texas.