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a view of Antietam National Battlefield, Sharpsburg, MD [Sharon Murray]
Welcome to the Antietam Institute
We are an organization of 500+ members on a mission to research, share, and preserve the history of the Battle of Antietam and the 1862 Maryland Campaign: a major turning point of the American Civil War that resulted directly in the Emancipation Proclamation. More about us >>
Programs
The Antietam Institute hosts three annual programs: the Fall Conference, Spring Symposium, and the Lecture Series, as well as seasonal events and leadership seminars throughout the year.
Publications
Institute publications are helping increase public understanding of the Battle of Antietam and the Maryland Campaign of 1862. These include print books and the Antietam Journal, digital map sets, and event videos.
Membership
Your membership entitles you to attend Institute events and receive discounts on Institute publications and makes possible the larger missions of scholarship, education, and philanthropy.
H R C
The Historical Research Center (HRC) is an Institute- curated selection of digital reference material to help you in your study of the Battle of Antietam and the Maryland Campaign.
- Registration is open for the 2026 Spring Symposium (April 10 & 11, 2026). Sign up soon, seating is limited
- The first Following in the Footsteps hike of 2026 is March 7. Registration opened February 6
Latest Institute News
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Hood’s Mississippians: A Confederate Counterattack Into The Cornfield – Bill Sagle
During General John Bell Hood’s counterattack in the Cornfield, two regiments from Mississippi briefly breached the Union line and scattered several regiments at and beyond the north fence. General George Meade was concerned enough to call it “one…
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The 23rd Ohio and Ewing’s Brigade in the Final Attack – Steve Stotelmyer
Largely overshadowed by the exploits of Lieutenant Colonel Rutherford B. Hayes at South Mountain and Commissary Sergeant William McKinley’s coffee break at the Lower Bridge, the 23rd Ohio’s action in the Final Attack at Antietam largely remains unnoticed…