World War I
Theatres Main events Specific articles Participants See also

Sarajevo assassination
The July Ultimatum

Main theatres:
Western Front
Eastern Front
Italian Front
Middle Eastern Theatre
Balkan Theatre
Atlantic Theatre

Other theatres:
African Theatre
Pacific Theatre

General timeline:
WWI timeline

Battle of Liège
Battle of Tannenberg
Invasion of Serbia
First Battle of the Marne
First Battle of Arras
Battle of Sarikamis
Mesopotamian Campaign
Battle of Gallipoli
Italian Campaign
Conquest of Serbia
Battle of Verdun
Battle of the Somme
Battle of Jutland
Brusilov Offensive
Conquest of Romania
Great Arab Revolt
Second Battle of Arras (Vimy Ridge)
Battle of Passchendaele
Capture of Baghdad
Conquest of Palestine
Spring Offensive
Hundred Days Offensive
Meuse-Argonne Offensive
Armistice with Germany
Armistice with Ottoman Empire

Military engagements
Naval warfare
Air warfare
Poison gas
Trench warfare
Partition of Ottoman Empire

Civilian impact and atrocities:
Armenian Genocide
Assyrian Genocide

Treaty of Brest-Litovsk
Paris Peace Conference
Treaty of Versailles
Treaty of St. Germain
Treaty of Neuilly
Treaty of Trianon
Treaty of Sèvres
Treaty of Lausanne
League of Nations

Entente Powers
Russian Empire 1914 17 Russian Empire
Flag of France France
Flag of the United Kingdom British Empire
  » Flag of the United Kingdom United Kingdom
  » Flag of Australia Australia
  » File:Flag of Canada-1868-Red.svg Canada
  » Imperial-India-Blue-Ensign India
  » Flag of New Zealand New Zealand
  » Flag of Newfoundland Newfoundland
  » South Africa Red Ensign South Africa
Flag of Italy (1861-1946) Italy
Rumania Romania
US flag 48 stars United States
Flag of Serbia (1882-1918) Serbia
Flag of Portugal Portugal
File:Flag of the Republic of China 1912-1928.svg China
Flag of Japan - variant Japan
Flag of Belgium Belgium
Old Flag of Montenegro Montenegro
Flag of Greece (1828-1978) Greece
File:Flag of Armenia.svg Armenia

Central Powers
Flag of the German Empire German Empire
Flag of Austria-Hungary Austria-Hungary
Ottoman Flag Ottoman Empire
Bg-1913 Bulgaria

Category: World War I
A war to end all wars
Female roles
Total war
Spanish flu

Contemporaneous conflicts:
First Balkan War
Second Balkan War
Maritz Rebellion
Easter Rising
Russian Revolution
Russian Civil War
Finnish Civil War
North Russia Campaign
Wielkopolska Uprising
Polish–Soviet War
Turkish War of Independence also known as the Greco-Turkish War (1919-1922)

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