MAPS OF HISTORY · WW2 · BATTLES AND EVENTS · Siege of WarsawWW2 · BATTLE SITE · 1939
Siege of Warsaw (1939)
Sep 1939 — Warsaw withstands bombing and holds out until 27 September. Poland never formally surrenders: its government and forces continue the fight abroad.
When Sep 1939 Type Battle site Chapter Invasion of Poland (chapter 2 of WW2)Atlas The War Room — WW2, 1936–1945 Also in WWI · Russian Revolution · Road to WW2 BATTLE SITE · THE WAR ROOM — WW2, 1936–1945 These maps are reconstructed from published sources · Cliopatria v0.2.1 — dated political boundaries · United States Holocaust Memorial Museum — Danzig and German annexation in September 1939 · United States Holocaust Memorial Museum — German territorial expansion · IGM Fiume, 1:25,000, sheet53B II SE — boundary established in1924 · Natural Earth — physical reference geography · Yugoslavia (1929–1939) location map — international frontier and Adriatic coast · Treaty of Rome (1924), division of Fiume and west-bank boundary · Murli / rowanwindwhistler — Slovakia border changes, 1938–1945 · United States Holocaust Memorial Museum — The Holocaust in Slovakia · Slovak Nation’s Memory Institute — The First Vienna Award
Source details Cliopatria contributors / Seshat Global History Databank. CC BY4.0 · Dated polity and constituent territory selections; campaign-dependent occupation overlays reconstructed separately. United States Holocaust Memorial Museum — Danzig and German annexation in September 1939. Historical chronology consulted; no source prose or artwork republished United States Holocaust Memorial Museum. Historical dates consulted; no prose or image copied Istituto Geografico Militare, Fiume (printed1946; 1927 survey with1931–1940 updates), reproduced by Istituto regionale per la storia della Resistenza e dell’Età contemporanea nel Friuli Venezia Giulia. Independent reconstruction from graticule coordinates and boundary observations; archive page reserves artwork rights.. Geographical-fact reconstruction; original archive artwork not distributed Natural Earth. Public domain NordNordWest/Wikipedia. Converted from the published SVG to WGS84; eastern Italian regional territory extracted. Source cites Velhagen & Klasings Großer Volksatlas (1938).. CC BY-SA 3.0 Germany 1924 agreement interpreted alongside the regional history institute and City of Rijeka’s explanation of the Donja/Gornja Drenova division.. Historical geographic facts; citation only Murli; SVG adaptation by rowanwindwhistler (2021). CC BY-SA 2.5; derived geographic paths under the same license · Georeferenced actual published vector regions using eight printed city positions; no map artwork or labels in the atlas. United States Holocaust Memorial Museum — The Holocaust in Slovakia. Historical chronology consulted; no source prose or artwork republished Slovak Nation’s Memory Institute — The First Vienna Award. Historical territorial chronology consulted; no source artwork or prose republished Danzig is shown under German control from September 1939, using the annual source’s free-city outline for its geometry.
Slovak territory is reconstructed from the published 1938–1945 border-change map, which separates the client state from Hungarian and German annexations. This regional source does not resolve small northern frontier changes or survey-level detail. After August 1944, German military occupation supersedes the client-state fill.
The eastern Italian frontier uses the published 1930s regional map and a reconstruction of the 1924 Fiume boundary. Source conquests after April 1941 remain separately dated.
The dates of published political outlines retain the resolution available in their sources. Military fronts and operational perimeters have their own source and method records.
reconstruction: 1936–1939 · reconstruction: 1936–1940 · reconstruction: 1936–1941 · reconstruction: 1936–1942 · reconstruction: 1936–1944 · reconstruction: 1939-09-28;1940 source reference · reconstruction: 1939.75 · reconstruction: 1939–1939 · reconstruction: 1939–1944 · vector: 1912–1955 · vector: 1920–1939 · vector: 1924–1940 · vector: 1927–1939 · vector: 1936–1939 · vector: 1936–1941 · vector: 1936–1945 · vector: 1938–1939 · vector: 1938–1972 · vector: 1939–1939 · vector: 1939–1944 · vector: 1939–2023 · vector: September 1939
Layer records and reconstruction methods
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