sep 15, 1862 - Battle of Antietam

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Bailey and Kennedy assert that this is one of the most decisive battles in the history of the world. Its significance lies in the timing of the battle. It came at a time when England and France were seriously considering recognition and aid to the Confederacy. A Confederate victory would left
Washington D.C. extremely vulnerable. The Union victory allowed Lincoln to publicize his Emancipation Proclamation.

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