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Archduke Franz Ferdinand of Austria and his wife were killed by a Serbian nationalist in Sarajevo
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Austria Hungary declares war on Serbia effectively beginning the First World War.
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Germany declares war on Russia. France and Belgium begin full mobilization.
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Britain then sends an ultimatum, rejected by the Germans, to withdraw from Belgium.Germany declares war on Russia.
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Britain then sends an ultimatum, rejected by the Germans, to withdraw from Belgium.
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Russia invades Germany, attacking into East Prussia, forcing the outnumbered Germans there to fall back.
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commanded by Sir John French, struggle with the German 1st Army over the 60-foot-wide Mons Canal in Belgium, near the French frontier.
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The Austrians withdraw in mid December after suffering over 220,000 casualties from the three failed invasions.
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British Isles to be a war zone in which ships can be sunk without warning.
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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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receiving the promise of significant territorial gains, Italy signs the Treaty of London, committing itself to enter World War I on the side of the Allies.
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The British ocean liner Lusitania is torpedoed without warning by a German submarine off the south coast of Ireland. Within 20 minutes, the vessel sank into the Celtic Sea.
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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 Aegean Sea after a mine explodes, killing 30 people
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the Battle of Rafa occurs near the Egyptian border with Palestine.
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February Revolution starts at the giant Punctilio factory in Retrograde
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the United States formally declared war against Germany and entered the conflict in Europe.
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Greece declares war on the Central Powers, following the abdication of pro-German King Constantine who is replaced by a pro-Allied administration led by Prime Minister Venizelos.
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The U.S. Marines established the 7th Marine Regiment.
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Pennsylvania kills 133.
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the classic swine flu and the post pandemic seasonal H1N1 flu virus lineage
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The Fourteen Points was a statement of principles for peace that was to be used for peace negotiations in order to end World War I.
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The first cases of the outbreak were recorded in Haskell County, Kansas, and Fort Riley, Kansas, where young men were being hospitalized for severe flu-like symptoms.
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the armistice that ended fighting on land, sea and air in World War I, between the Allies and their opponent, Germany.
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leaders from the Allied nations began a series of discussions that became known as the Paris Peace Conference to settle issues raised by the war and its aftermath.
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in Versailles, exactly five years after the assassination of Archduke Franz Ferdinand which directly led to World War I.
