Which battle in 1862 was the bloodiest single day of the Civil War?

Battle of Antietam.

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  1. Battle of Antietam ✔
  2. Battle of Shiloh
  3. First Battle of Bull Run

Why: Antietam, fought in Maryland on September 17, 1862, resulted in over 23,000 casualties, the bloodiest day of the Civil War.

Huh, didn't know that: Antietam, fought in Maryland on September 17, 1862, resulted in over 23,000 casualties, the bloodiest day of the Civil War.

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Antietam was a hard day to antie-tam.
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References

Answer: Battle of Antietam. Antietam, fought in Maryland on September 17, 1862, resulted in over 23,000 casualties, the bloodiest day of the Civil War.

  1. History of the United States en.wikipedia.org/wiki/History_of_the_United_States
    the Battle of Antietam was fought in Maryland, which would result in over 23,000 casualties in bloodiest day of the Civil War
    Checked 2026-11-07.

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