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Archduke Franz Ferdinand was assassinated by Serbian nationalist
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Austria-Hungary declares war on Serbia, effectively beginning the First World War.
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Germany declared war with Russia.
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Germany declares war on France, and invades neutral Belgium.
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The first British troops land in France. The 120,000 members of the British Army form the British Expeditionary Force. The troops were led by Field Marshal John French.
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France and Great Britain declared war on Austria-Hungary. Austria-Hungary invaded Serbia.
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The Battle of Mons, was the opening battle of the First World War.
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Austria invaded Serbia. The British Navy suffered its worst defeat.
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Kaiser Wilhelm announced Germany’s intention to sink all ships sailing under the flags of Britain, Russia or France found within British waters.
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The Armenian genocide began
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Secret agreement signed in London between Italian Government and the Entente for Italian co-operation in the war and declarations by which Italy adheres to the Pact of London
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The British Liner Lusitania is attacked and sunk without warning by a German submarine off the south coast of Ireland.
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Thousands of British soldiers began an attack against a German trench line which was supposed to have been destroyed.
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The Battle of Bucharest
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The Battle of Rafa. The British drive the Ottomans out of Sinai.
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The Battle of Nambanje.
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The United States declares war on Germany.
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The first American Troops land in France.
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China declares war on Germany and Austria-Hungary.
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The Allies agree to establish a Supreme War Council at Versailles.
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Woodrow Wilson outlines his Fourteen Points.
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First known case of what will later be called Spanish Flu: Private Albert Gitchell at Camp Funston, Fort Riley, Kansas.
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First Spanish Flu cases in Spain, where reports on the disease are published freely due to the lack of wartime censorship.
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Poland proclaimed.
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Treaty of Versailles between the Allies and Germany: the Peace Conference opens in Paris.
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Treaty of Versailles signed
