World War 1

This article is about the major war of 1914–1918. For other uses, see World War One (disambiguation) and Great War (disambiguation).
"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