WWI · BATTLE SITE · 1915

Gorlice–Tarnów offensive (1915)

On the WWI map as “Gorlice–Tarnów”

2 May 1915 — Mackensen breaks through on a 50-km front at Gorlice–Tarnów, unsettling the entire Russian line. By September the Great Retreat has cost Russia Poland, Lithuania and a million prisoners. At home, rumors of treason circulate.

When: 2 May 1915
Type: Battle site
Chapter: Gallipoli and the widening of WWI (chapter 6 of WWI)
Atlas: The Great War, 1871–1923

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Map showing Gorlice–Tarnów offensive (1915), battle site in The Great War, 1871–1923 — BATTLE SITE · THE GREAT WAR, 1871–1923

These maps are reconstructed from published sources · Cliopatria v 0.2.1 · National Army Museum: Gallipoli campaign · Natural Earth physical geography · Anglo-Russian Convention, 31 August 1907, articles I–II · Maps of History: Great War geographic decisions · National Army Museum: Salonika campaign · US Military Academy World War I atlas, chart 11 · US Military Academy World War I atlas, chart 14 · US Military Academy World War I atlas, chart 31 · US Military Academy World War I atlas, chart 39 · US Military Academy World War I atlas, chart 44

Source details

Cliopatria contributors / Seshat Global History Databank. Source polygons retained with original identities; geographic selections and corrections by Maps of History.. CC BY 4.0
National Army Museum: Helles, Anzac and the August Suvla landing remained three beachhead sectors.. Historical evidence citation; no artwork copied
Made with Natural Earth; geographic reference and physical land only. No modern political boundary is used as a historical boundary.. Public domain
US Department of State, Foreign Relations of the United States; convention’s named places define the two concession spheres.. Historical treaty facts, independently reconstructed
Maps of History. Campaign-sector connectors and contextual regions are identified separately from imported vector outlines.. Original geographic reconstruction using attributed historical evidence
National Army Museum: late 1916 Albanian coast–Monastir–Doiran–Struma line and 1918 liberation campaign.. Historical evidence citation; no artwork copied
US Military Academy, Department of History & War Studies, World War I chart 11. Selected geographic front facts reconstructed independently; no claim of blanket public-domain artwork rights.. Geographic evidence citation; source index requests permission for map reprints. Original artwork is not redistributed.
US Military Academy, Department of History & War Studies, World War I chart 14. Selected geographic front facts reconstructed independently; no claim of blanket public-domain artwork rights.. Geographic evidence citation; source index requests permission for map reprints. Original artwork is not redistributed.
US Military Academy, Department of History & War Studies, World War I chart 31. Selected geographic front facts reconstructed independently; no claim of blanket public-domain artwork rights.. Geographic evidence citation; source index requests permission for map reprints. Original artwork is not redistributed.
US Military Academy, Department of History & War Studies, World War I chart 39. Selected geographic front facts reconstructed independently; no claim of blanket public-domain artwork rights.. Geographic evidence citation; source index requests permission for map reprints. Original artwork is not redistributed.
US Military Academy, Department of History & War Studies, World War I chart 44. Selected geographic front facts reconstructed independently; no claim of blanket public-domain artwork rights.. Geographic evidence citation; source index requests permission for map reprints. Original artwork is not redistributed.

Annual source features can describe claims, legal territory or military control. Occupied extensions are separated from the prewar Central Power homelands, while the original source names and shapes remain available.

The area east/north of the sourced western front is selected within the 1914 historical French, Belgian and Luxembourg footprints. It represents military control, not annexation.

The displayed state is iss 15. Geographic reference dates and reconstruction methods are recorded for each feature.

reconstruction: 1871–1918 · reconstruction: 1915 Helles, Anzac and Suvla beachhead references · reconstruction: 1915.85 · reconstruction: 30 September 1915 · reconstruction: 31 August 1907 · reconstruction: January 1915–December 1916 chart; principal 1915 line · reconstruction: June 1915 first-battle reference · reconstruction: Late 1916 allied line

Layer records and reconstruction methods