CIRCLE ISLAND DRIVE GUIDE. The Best of Oahu - Experiencing the Total Island - Extinct Volcanoes, Marine Preserves, Cultural Parks, Sacred Sites, Superb Beaches, Awesome Overlooks, Old Towns, Plantations.
The most significant, but not quite all, notable events related to government, secession of states, actions of key individuals, and initiation of the American Civil War that occurred between November 6, 1860 and April 15, 1861 follow.
Outcome: The result of the battle was inconclusive, but the north did win a strategic advantage. 23,100 casualties. Significance of the Battle of Antietam: The Battle of Antietam forced the Confederate Army to retreat back across the Potomac River. President Abraham Lincoln saw the significance of this and issued the famous Emancipation Proclamation on September 22, 1862.