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World War I

1914 CE – 1918 CE

The Great War, 1914–1918 — the Western and Eastern Fronts, Gallipoli, and the collapse of four empires.

464 events · 508 people

Key events

1. Caucasus campaign1914 CE
   1914 armed conflicts between the Russian and Ottoman Empires during WWI
2. Battle of Liège1914 CE
   1914 opening engagement of the German invasion of Belgium during WWI
3. assassination of Archduke Franz Ferdinand1914 CE
   The assassination of Archduke Franz Ferdinand, also called the Attack in Sarajevo or Sarajevo incident occurred on 28 June 1914 and was one of the key events that led to World War I. Archduke Franz Ferdinand of Austria, heir presumptive to the Austro-Hungarian throne, and his wife, Sophie, Duchess of Hohenberg, were assassinated by Bosnian Serb student Gavrilo Princip. They were shot at close range while being driven through Sarajevo, the provincial capital of Bosnia and Herzegovina, formally annexed by Austria-Hungary in 1908.
4. First Battle of the Marne1914 CE
   1914 First World War battle
5. Battle of Tannenberg1914 CE
   1914 battle between Russia and Germany
6. First Battle of Ypres1914 CE
   1914 First World War battle fought for the strategic town of Ypres
7. Battle of Galicia1914 CE
   1914 battle in World War I
8. Gallipoli Campaign1915 CE
   1915–1916 military campaign during World War I
9. Second Battle of Ypres1915 CE
   1915 First World War battle
10. Battles of the Isonzo1915 CE
    1910 series of battles between Italy and Austria-Hungary during the First World War
11. Gorlice–Tarnów Offensive1915 CE
    The Gorlice–Tarnów offensive during World War I was initially conceived as a minor German offensive to relieve Russian pressure on the Austro-Hungarians to their south on the Eastern Front, but resulted in the Central Powers' chief offensive effort of 1915, causing the total collapse of the Russian lines and their retreat far into Russia. The continued series of actions lasted the majority of the campaigning season for 1915, starting in early May and only ending due to bad weather in October.
12. Treaty of London1915 CE
    secret pact between the Triple Entente and Italy, signed in London on 26 April 1915

Notable people

• Vladimir Lenin1870 CE – 1924 CE
• Mustafa Kemal Atatürk1881 CE – 1938 CE
• Leon Trotsky1879 CE – 1940 CE
• Nicholas II of Russia1868 CE – 1918 CE
• Wilhelm II1859 CE – 1941 CE
• Benedict XV1854 CE – 1922 CE
• Paul von Hindenburg1847 CE – 1934 CE
• Archduke Franz Ferdinand of Austria1863 CE – 1914 CE
• Gavrilo Princip1894 CE – 1918 CE
• Franz Joseph I of Austria1830 CE – 1916 CE
• Józef Piłsudski1867 CE – 1935 CE
• Philippe Pétain1856 CE – 1951 CE

Related atlas views

• World War II in Europe
• Napoleonic Europe

Explore more of the atlas

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• Three Kingdoms
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Want the background? Read the guides on what was happening at the same moment in history.

Events from Wikipedia/Wikidata (CC-BY-SA); boundaries from OpenHistoricalMap (ODbL). Spotted a mistake? Email [email protected].