MAPS OF HISTORY · CRUSADES · BATTLES AND EVENTS · Siege of EdessaCrusades · TURNING POINT · 1144
Siege of Edessa (1144)
On the Crusades map as “The fall of Edessa”
24 Dec 1144 — Zengi, atabeg of Mosul and Aleppo, storms Edessa, the first and most exposed crusader state. Its fall shocks Europe into launching the Second Crusade. For the Muslim counter-crusade, it supplies a first martyr-city and a first hero.
When 24 Dec 1144 Type Turning point Chapter Second Crusade (chapter 5 of Crusades)Atlas The Crusades, 1095–1291 Also in Ancient Rome TURNING POINT · THE CRUSADES, 1095–1291 These maps are reconstructed from published sources · Cliopatria v0.2.1 — historical political boundaries · Simon Barton — Crusading in Iberia, c. 1060–1212 · The Metropolitan Museum of Art — The Crusades (1095–1291) · Natural Earth — physical reference geography · OpenStax — The Crusading Movement
Source details Cliopatria contributors / Seshat Global History Databank. CC BY 4.0 · Dated polygons selected; local transfers and shared frontier edges derived with documented historical event corrections. Simon Barton, The Cambridge History of the Crusades. Published summary consulted for dated conquests; no map copied Department of Medieval Art and The Cloisters, 2014. Facts consulted; no prose or image copied Natural Earth. Public domain OpenStax, World History Volume 1. CC BY 4.0 The loss of Edessa city in 1144 uses the first subsequent source remainder, retaining the surviving western county territory.
At some ports, source coastlines have offsets of several kilometers at their resolution. The original polygons are preserved, and the review record gives explicit coastal anchor tolerances.
Chapter anchor and source snapshot date remain separate: 1147 / 1144
reconstruction: 1028–1325 · reconstruction: 1040–1235 · reconstruction: 1066–1187 · reconstruction: 1099–1168 · reconstruction: 1099–1235 · reconstruction: 1111–1151 · reconstruction: 1139–1146 · reconstruction: 1139–1151 · reconstruction: 1144 · reconstruction: 1147–1151 reference for post-December1144 · reconstruction: 990–1146 · reconstruction: December1144 · vector: 1010–1151 · vector: 1018–1176 · vector: 1018–1205 · vector: 1040–1146 · vector: 1040–1191 · vector: 1056–1146 · vector: 1056–1191 · vector: 1066–1146 · vector: 1066–1168 · vector: 1072–1235 · vector: 1072–1249 · vector: 1072–1325 · vector: 1085–1146 · vector: 1085–1151 · vector: 1085–1187 · vector: 1094–1146 · vector: 1094–1168 · vector: 1094–1235 · vector: 1099–1146 · vector: 1099–1151 · vector: 1099–1226 · vector: 1111–1146 · vector: 1111–1176 · vector: 1111–1187 · vector: 1126–1151 · vector: 1126–1168 · vector: 1139–1146 · vector: 1139–1151 · vector: 1139–1168 · vector: 1139–1176 · vector: 1139–1187 · vector: 1139–1201 · vector: 1139–1226 · vector: 1144
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