Political map of North America & the Caribbean on 17 Sep 1862 (American Civil War: Battle of Antietam), showing the following events: French repulsed at Puebla; British Honduras formed; Seven Days Battles; Northern Virginia Campaign; Dakota War; Battle of Antietam.

Battle of Antietam

American Civil War

North America 1862.0917

Battle of Antietam

American Civil War, French intervention in Mexico, Dominican Restoration War (17 September 1862)

Historical Map of North America & the Caribbean

Having established naval supremacy, Union forces landed on the Virginia peninsula and advanced on Richmond, only to be smashed by Confederate General Robert E. Lee in the Seven Days Battles. Lee followed up his victory with an invasion of Maryland, but was brought to a halt at the Battle of Antietam/Sharpsburg, the bloodiest single-day battle in American history. Antietam ended the threat to Washington and gave US President Abraham Lincoln confidence to issue the Emancipation Proclamation, officially ending slavery in the Confederacy.

Main Events

French repulsed at Puebla

The Mexican Army defeated the French offensive on Puebla in an action later celebrated as Cinco de Mayo.

British Honduras formed

The British Settlement of Belize in the Bay of Honduras became the Colony of British Honduras.

Seven Days Battles

Confederate troops under Robert E. Lee defeated George McClellan's Union Army of the Potomac near Richmond, Virginia, forcing it to retreat back down the Virginia Peninsula.

Northern Virginia Campaign

Confederates under Robert E. Lee moved north toward Washington D.C., defeating John Pope's Union forces in northern Virginia.

Dakota War

The United States crushed an eastern Sioux/Dakota uprising in southwest Minnesota.

Battle of Antietam

Following his victory at the Seven Days Battles, Confederate General Robert E. Lee sought to bring the war to the Union itself and provoke an uprising in the pro-slavery but loyalist states of Maryland and Kentucky. However, Lee was not welcomed by Marylanders, and Union forces under George McClellan attacked his army near Sharpsburg, Maryland, leading to heavy casualties on both sides and momentarily scuttling Lee's ambitions to invade the north.

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