"WW1" and "WWI" redirect here. For the album by White Whale, see WWI (album).
World War I | Clockwise from top: trenches on the Western Front; a British Mark IV Tank crossing a trench; Royal Navy battleship HMS Irresistiblesinking after striking a mine at the Battle of the Dardanelles; aVickers machine gun crew with gas masks, and German Albatros D.III biplanes | Date | 28 July 1914 – 11 November 1918 (Armistice)
Treaty of Versailles signed 28 June 1919
(4 years and 11 months)
Treaty of Saint-Germain-en-Laye signed 10 September 1919
Treaty of Neuilly-sur-Seine signed 27 November 1919
Treaty of Trianon signed 4 June 1920
Treaty of Sèvres signed 10 August 1920 | Location | Europe, Africa, the Middle East, the Pacific Islands, China and off the coast of South and North America | Result | Allied victory * End of the German, Russian, Ottoman, and Austro-Hungarian empires * Formation of new countries in Europe and the Middle East * Transfer of German colonies andregions of the former Ottoman Empireto other powers * Establishment of the League of Nations. (more...) | | Belligerents | Allied (Entente) Powers France British Empire * United Kingdom * Australia * Canada * British Raj * Newfoundland * New Zealand * Union of South Africa Russian Empire(1914–17) Kingdom of Italy(1915–18) United States (1917–18) Kingdom of Serbia Kingdom of Romania(1916–18) Empire of Japan Belgium Kingdom of Greece(1917–18) Portugal (1916–18)
...and others | Central Powers German Empire Austria-Hungary Ottoman Empire Kingdom of Bulgaria(1915–18)Co-belligerents Jabal Shammar
...and others | Commanders and leaders | Raymond Poincaré George V Nicholas II Victor Emmanuel III Woodrow Wilson Ferdinand Taishō Peter I Albert I
...and others | Wilhelm II Franz Joseph I
References: Ethno-linguistic map of Austria–Hungary, 1910 German industrial and economic power had grown greatly after unification and the foundation of the Empire in 1871 Main article: Asian and Pacific theatre of World War I Men in Melbourne collecting recruitmentpapers, 1914. Main article: Western Front (World War I) Trench warfare begins (1914–1915) Sir Winston Churchill with theRoyal Scots Fusiliers, 1916 Military tactics before World War I had failed to keep pace with advances in technology Trench warfare continues (1916–1917) Neither side proved able to deliver a decisive blow for the next two years A French assault on German positions. Champagne, France, 1917. The British Grand Fleet making steam forScapa Flow, 1914 On 1 July 1916, the British Army endured the bloodiest day in its history, suffering 57,470 casualties, including 19,240 dead, on the first day of theBattle of the Somme A battleship squadron of theHochseeflotte at sea Protracted German action at Verdun throughout 1916,[45] combined with the bloodletting at the Somme (July and August 1916), brought the exhausted French army to the brink of collapse