World War I

Clockwise from the top: The aftermath of shelling during the Battle of the Somme, Mark V tanks cross the Hindenburg Line, HMS Irresistible sinks after hitting a mine in the Dardanelles, a British Vickers machine gun crew wears gas masks during the Battle of the Somme, Albatros D.III fighters of Jagdstaffel 11
Date28 July 1914 – 11 November 1918 (1914-07-28 – 1918-11-11)
(4 years, 3 months and 2 weeks)
Peace treaties
Location
Europe, Africa, the Middle East, the Pacific Islands, China, Indian Ocean, and off the coast of South and North America
Result

Allied Powers victory

Territorial
changes
  • Formation of new countries in Europe and the Middle East
  • Transfer of German colonies and regions of the former Ottoman Empire to other powers
  • Belligerents
    Allied Powers:
    Central Powers:
    Commanders and leaders
    Allied Powers leaders: Central Powers leaders:
    Strength
    • Russian Empire 12,000,000
    • British Empire 8,841,541[1][2]
    • French Third Republic 8,660,000[3]
    • Kingdom of Italy 5,615,140
    • United States 4,743,826
    • Kingdom of Romania 1,234,000
    • Empire of Japan 800,000
    • Kingdom of Serbia 707,343
    • Belgium 380,000
    • Kingdom of Greece 250,000
    • First Portuguese Republic 80,000
    • Kingdom of Montenegro 50,000
    Total: 42,959,850[4]
    • German Empire 13,250,000
    • Austria-Hungary 7,800,000
    • Ottoman Empire 2,998,321
    • Tsardom of Bulgaria (1908–1946) 1,200,000
    Total: 25,248,321[4]
    Casualties and losses
    • Military dead: 5,525,000
    • Military wounded: 12,831,500
    • Total: 18,356,500 KIA, WIA and MIA
    • Civilian dead: 4,000,000

    ...further details.


    French Third Republic 1,397,800 killed[5]
    British Empire 1,114,914 killed[5]
    Kingdom of Italy 651,000 killed[5]
    Russian Empire 1,811,000 killed[5]
    Kingdom of Romania 250,000[5]-335,000 killed[6]
    Empire of Japan 415 killed[5]
    Kingdom of Serbia 275,000 killed[5]
    Belgium 58,637[5]-87,500 killed[6]
    United States 116,708 killed[5]
    Kingdom of Greece 26,000 killed[5]
    First Portuguese Republic 7,222 killed[5]

    Kingdom of Montenegro 3,000 killed[5]
    • Military dead: 4,386,000
    • Military wounded: 8,388,000
    • Total: 12,774,000 KIA, WIA and MIA
    • Civilian dead: 3,700,000

    ...further details.


    German Empire 2,050,897 killed[5]
    Austria-Hungary 1,200,000 killed[6]
    Ottoman Empire 771,844 killed[5]
    Tsardom of Bulgaria (1908–1946) 87,500 killed[5]


    Cite error: There are <ref group=lower-alpha> tags or {{efn}} templates on this page, but the references will not show without a {{reflist|group=lower-alpha}} template or {{notelist}} template (see the help page).

    1. ^ "British Army statistics of the Great War". 1914-1918.net. Retrieved 13 December 2011.
    2. ^ Figures are for the British Empire
    3. ^ Figures are for Metropolitan France and its colonies
    4. ^ a b Tucker & Roberts 2005, p. 273
    5. ^ a b c d e f g h i j k l m n o [1]
    6. ^ a b c Nash (1976). Darkest Hours. Rowman & Littlefield. ISBN 9781590775264.