Historic Organizations and Places
National Park Service Sites
National battlefields, military parks, historic sites, and cemeteries administered by the National Park Service, with official hours, alerts, and ranger programs.
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National Park Service SiteSharpsburg, MD6 upcoming events
23,000 soldiers were killed, wounded or missing after twelve hours of savage combat on September 17, 1862. The Battle of Antietam ended the Confederate Army of Northern Virginia's first invasion into the North and led Abraham Lincoln to issue the preliminary Emancipation Proclamation.
Organization Confirmed · checked 2026-09-12
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National Park Service SiteFrederick, MD2 upcoming events
During the summer of 1864, the Confederacy carried out a bold plan to turn the tide of the Civil War in their favor. They planned to capture Washington, DC and influence the election of 1864. On July 9, however, Federal soldiers outnumbered three to one, fought gallantly along the banks of the Monocacy River in an effort to buy time for Union reinforcement to arrive in Washington, DC.
Organization Confirmed · checked 2026-09-12
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