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Franz Ferdinand was assassinated on July 28th 1914 in Sarajevo, Bosnia and Herzegovina. Ferdinand was an Archduke of Austria.
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Austria declares war on Serbia after the assassination of Austrian Archduke Franz Ferdinand in Sarajevo.
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Germany declares war on the Russians, because they are compeled to defend the country of Serbia.
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Germany declares war on France and put their plan into effect part of their Schleiffen Plan.
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Britain joins its French and Russian allies in declaring war on Germany because of the Schleiffen plan.
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On May 23, 1915, Italy declared war on Austria-Hungary. The Italian declaration opened up a new front in World War I.
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The first British use of poison gas occurred and the battle was the first mass engagement of New Army units.
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On April 2, 1917, President Woodrow Wilson requested a declaration of war against Germany.
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At 11 o' clock in the morning of the 11th day of the 11th month of 1918, the First World War comes to an end.
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The treaty ended the war between Germany and the Allied Powers. It was signed on 28 June 1919, exactly five years after the assassination of Archduke Franz Ferdinand.
