Fort Sumter
April 12-14, 1861

Confederate (South Carolina) batteries (5,000 men - BG P.G.T. Beauregard, commanding) began bombarding the Federal garrison (84 men - MAJ Robert Anderson, commanding) of Ft. Sumter in Charleston Harbor, SC on 12 April, forcing its surrender 34 hours later. On 14 April the formal surrender occurred signaling the beginning of the American Civil War. U.S. President Abraham Lincoln declared (15 April) that "insurrection" existed and called for 75,000 troops for 3 months' service and a special session of Congress. On 17 April Virginia seceded followed by Arkansas, Tennessee, and North Carolina - there were now 11 states in open rebellion against the U.S. Estimated Casualties: Union - 11; Confederate - 4.


Notes:

  1. Numbers in parentheses reflect estimated strength of armies or units.

  2. Estimated casualty figures are totals for killed, wounded, missing in action, and taken prisoner.

  3. Alternative names of battles and campaigns appear in parentheses.

  4. Military and naval rank abbreviations in text: LT - Lieutenant, CPT - Captain, MAJ - Major, LTC - Lieutenant Colonel, CDR - Commander (Navy), COL - Colonel, BG - Brigadier General, MG - Major General, RADM - Rear Admiral (Navy), LTG - Lieutenant General, VADM - Vice Admiral (Navy), and GEN - General.

  5. Army Organization: Although authorized and actual strength and the rank of the commanding officer often varied, the standard military unit during the War was the infantry regiment (1,000 men, COL commanding) which was comprised of 10 companies (100 men each, CPT commanding). 3-4 Regiments = 1 Brigade (3,000-4000 men, BG commanding). 3 (sometimes 4) Brigades = 1 Division (9000-12,000 men, BG or MG commanding). 2-4 (usually 3) Divisions = 1 Corps (18,000-24,000+ men, MG - North and MG or LTG -South commanding). 2 or more Corps = An Army (usually 20,000-100,000+ men - MG, LTG, or GEN commanding). 2 or more Armies = An Army Group (usually 100,000+ men - MG, LTG, or GEN commanding).


Sources:


Photographs courtesy of The Generals of the American Civil War Website.


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