• Photo of cannon at Antietam National Battlefield

    The Civil War

Maryland Campaign

On September 4, 1862 the lead elements of the Army of Northern Virginia crossed the Potomac River into Maryland as Robert E. Lee sought to move the war into the north after driving George McClellan back from Richmond and defeating John Pope at the 2nd Battle of Manassas. In the three weeks that followed the tactics and aims of the war were changed and the seeds of a new birth of Freedom were sewn.

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Key Moments of the Maryland Campaign

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