The siege of Port Hudson, Louisiana, begins: After two failed frontal assaults, Major General Nathaniel P. Banks, commanding the compulsory Union Department of the Gulf (of Mexico) surrounds the last free city on the Mississippi River.

       [added 4/8/2022]

Subsequent Events:

5/23/1863                   7/1/1863                    7/4/1863                   7/9/1863

References:

Calvin D. Linton, ed. The Bicentennial Almanac: 200 Years of America, 1776-1976, (Nashville, Tennessee: Thomas Nelson, 1975), 176.

Siege of Port Hudson – Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/Siege_of_Port_Hudson

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

Current U.s. National Debt:

$36,167,124,467,492

Source