American Civil War · BATTLE SITE · 1862

Battle of Antietam (1862)

On the American Civil War map as “Antietam”

17 Sep 1862 — Along a Maryland creek, some 23,000 casualties make this the bloodiest single day in American history. Lee’s first invasion is turned back. Lincoln now has the victory he has been waiting for; see the marker at Washington.

When: 17 Sep 1862
Type: Battle site
Chapter: Antietam and emancipation (chapter 7 of American Civil War)
Atlas: The American Civil War, 1840–1877

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Map showing Battle of Antietam (1862), battle site in The American Civil War, 1840–1877 — BATTLE SITE · THE AMERICAN CIVIL WAR, 1840–1877

These maps are reconstructed from published sources · US Military Academy: Principal Campaigns of the War · US Military Academy: Strategic Situation at the End of the Campaign, 27 February 1862 · US Military Academy: Situation, 7 September 1862 · US Military Academy: Southeastern United States, 1861 · US Military Academy: Chattanooga and Vicinity, 1863 – Movements Since 24 June · US Military Academy: Grant’s Plan for the 1864 Campaign · US Military Academy: Principal Federal Movements, November 1864 – April 1865 · National Park Service: Port Royal and the Sea Islands · Cliopatria v 0.2.1 · Fort Donelson National Battlefield · Newberry Atlas of Historical County Boundaries: historical states and territories · Maps of History: Civil War source decisions

Source details

US Military Academy Department of History; selected geographic facts reconstructed independently, original chart retained outside distributed files.. Geographic evidence only. Source atlas index requests reprint permission; original artwork not redistributed.
US Military Academy Department of History; selected geographic facts reconstructed independently, original chart retained outside distributed files.. Geographic evidence only. Source atlas index requests reprint permission; original artwork not redistributed.
US Military Academy Department of History; selected geographic facts reconstructed independently, original chart retained outside distributed files.. Geographic evidence only. Source atlas index requests reprint permission; original artwork not redistributed.
US Military Academy Department of History; selected geographic facts reconstructed independently, original chart retained outside distributed files.. Geographic evidence only. Source atlas index requests reprint permission; original artwork not redistributed.
US Military Academy Department of History; selected geographic facts reconstructed independently, original chart retained outside distributed files.. Geographic evidence only. Source atlas index requests reprint permission; original artwork not redistributed.
US Military Academy Department of History; selected geographic facts reconstructed independently, original chart retained outside distributed files.. Geographic evidence only. Source atlas index requests reprint permission; original artwork not redistributed.
US Military Academy Department of History; selected geographic facts reconstructed independently, original chart retained outside distributed files.. Geographic evidence only. Source atlas index requests reprint permission; original artwork not redistributed.
National Park Service; November1861 Port Royal occupation. The early coastline layer is date-specific, not the entire1862 coastal gain.. US government historical geographic evidence
Cliopatria contributors / Seshat Global History Databank. Selected, combined, reprojected and corrected by Maps of History as described per layer.. CC BY4.0
National Park Service; February1862 river forts and Nashville campaign.. US government historical geographic evidence
The Newberry Library, Atlas of Historical County Boundaries. State/territory records unioned for the displayed date; disputed/joint territories excluded from exclusive US sovereignty.. Publisher permits commercial and noncommercial lawful reuse without fees; current terms supersede obsolete NC notice in archive
Source-native legal boundaries, annual military control and independently reconstructed campaign sectors are kept separate. Region connectors and corridor widths are interpretive.. Original historical reconstruction with attributed evidence

Legal US boundaries come from dated Newberry records. Secession and military control use separate source layers, while campaign corridors are educational geographic reconstructions rather than surveyed continuous fronts.

reconstruction: 1845 · reconstruction: 1861 · reconstruction: 1861-04-13 · reconstruction: 1861-07-21 · reconstruction: 1862 · reconstruction: 1862-02-28 · reconstruction: 1862-06-08 · reconstruction: June1862–January1863 western theater regional connector through Union Memphis/Corinth and the middleTennessee campaign; later Tullahoma chart supplies place geography, not a claim of uniform June1863 control · reconstruction: September1862 Maryland and Sharpsburg campaign sector · vector: 1860 state-interface reference · vector: us-e24e487b916d

Layer records and reconstruction methods