First Battle of the Marne
6 September 1914 — French and British forces begin the counteroffensive known as the First Battle of the Marne. The German advance toward Paris is halted and German armies withdraw toward...
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6 September 1914 — French and British forces begin the counteroffensive known as the First Battle of the Marne. The German advance toward Paris is halted and German armies withdraw toward...
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September–November 1914 — After the Marne, both sides repeatedly attempt to turn the other's flank. The maneuvering eventually reaches the North Sea and creates a largely continuous forti...
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August–September 1914 — Germany concentrates major forces against France and advances through Belgium. The operational scheme derives from years of German planning associated with Alfred ...
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World War I, also known as the Great War, began when Austria-Hungary declared war on Serbia following the assassination of Archduke Franz Ferdinand. The conflict quickly escalated, drawin...
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7–23 July 1914 — Austro-Hungarian leaders debate how to transform the Sarajevo assassination into a confrontation with Serbia. Officials increasingly favor demands severe enough to justif...
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July 1914 — Russian leaders view Serbia as both a political partner and a test of Russian great-power credibility in the Balkans. Previous retreats in regional crises make another diploma...
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28 June–4 August 1914 — Sarajevo creates the crisis, but successive decisions by Austria-Hungary, Germany, Russia, France and Britain determine how far it spreads. The investigation shoul...
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May–June 1914 — Members of the assassination conspiracy obtain pistols, bombs and assistance through contacts associated with Serbian nationalist and military-intelligence circles. The ev...
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1914–1918 — Austro-Hungarian, Italian, French, Serbian and other forces occupy different parts of Albania. The country largely loses unified central government during the conflict, and it...
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1914–1919 — Room 40 is the British Admiralty's cryptanalytic organization responsible for intercepting and decoding important German communications. Its intelligence contributes to Britis...
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1914–1918 wartime production — DuPont becomes one of the most striking American industrial beneficiaries of wartime demand because explosives and propellants are required on an unpreceden...
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1914–1917 Allied purchasing and finance role — J.P. Morgan & Co. becomes a major financial and purchasing intermediary for Britain and France in the United States during American neutrali...
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Untitled1914–1918 — Industrial warfare requires food, coal, metals, chemicals, credit and shipping on unprecedented scales. Britain attempts to deny overseas resources to Germany through ...
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1914–1918 wartime production — British engineering and armaments company Vickers becomes an important supplier of guns, ammunition, ships and other military equipment during the war. Enor...
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