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Archduke Franz Ferdinand of Austria was assassinated
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Austria-Hungary declares war on Serbia, starting WW1
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Germany declares war on Russia. France and Belgium begin full mobilization
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Germany declares war on France, and invades neutral Belgium
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The first British troops land in France
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Great Britain and France declare war on Austria-Hungary
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The Battle of Mons was the first major action of the British Expeditionary Force, in the first world war
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The Ottoman Empire officially entered World War One after Russia declared war on the Empire
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Kaiser Wilhelm announced Germany's intention to sink any and all ships sailing under the flags of Britain, Russia or France found within British waters
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Started using poison gas
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The Australian and New Zealand Army Corps landed at Anzac Cove while British and French troops landed at Cape Helles to begin the Allied invasion of the Gallipoli peninsula in the Ottoman Empire
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British ocean liner Lusitania is torpedoed
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The Battle of the Somme, also known as the Somme Offensive, was a battle of the First World War fought by the armies of the British Empire and France against the German Empire
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The first day of the Battle of the Somme, in northern France, was the bloodiest day in the history of the British Army
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Germany, determined to win its war of attrition against the Allies, announced the resumption of unrestricted warfare
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Russia signs a treaty with the Central Powers ending its participation in World War I
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U.S. Enters World War I
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In the Middle East, newly reinforced and replenished British troops retake Kut al-Amara in Mesopotamia from outnumbered Turks
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China declared war on Germany and Austria-Hungary
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Germany, determined to win its war of attrition against the Allies
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Woodrow Wilson outlines his Fourteen Points
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World War I claimed an estimated 16 million lives. The influenza epidemic that swept the world in 1918 killed an estimated 50 million people
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The general and dictator Francisco Franco (1892-1975) ruled over Spain from 1939 until his death
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On this day, at the 11th hour on the 11th day of the 11th month of 1918, the Great War ends
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The Paris Peace Conference and the Treaty of Versailles. The Paris Peace Conference convened in January 1919 at Versailles just outside Paris. ... Negotiations at the Paris Peace Conference were complicated
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On June 28, 1919, Germany signed the Treaty of Versailles, officially ending its involvement in World War I.
