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After the sinking of the lusitania, US declares war
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On June 28, Serbian, Gavrilo Princip, assassinates Archduke Franz Ferdinand. This assassination sets off a series that eventually lead to World War I.
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The assassination of archduke Franz Ferdinand leads up to ultimatiums that lead to WWI. The Austria-Hungarians declare war on Serbia on July 28.
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On August 2, the Ottoman Empire joins the Central Powers by signing an alliance with Germany against Russia
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The celebration of the Panama Canal opening called for a fleet of international warships to pass throgh the canal. The celebration did not happen due to World War I.
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French and British troops met the attacking German troops on the frontier in August. The German troops forced both armies to retreat south. By the beginning of September a part of the German army was approaching Paris. Before the Germans were able to move past the city, however, the French attacked.
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Sir Ian Hamilton landed a force on the narrow Gallipoli pennisula. The GAllipoli expedition was a costly failure. Troops were withdrawn in December and January. Many were sent to Egypt t opretect the Suez Canal, which threatened the Ottoman Empire.
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Leaders of the Ottoman Empire arrest and murder Armenian social and political leaders. The massacre of Armenians from the Ottoman Empire, known as the Armenian Genocide, began in May
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The British ocean liner was sunk by German U-boat in 1915, killing over 1,000 people including 128 Americans. This incident indirectly pushes America into World War I.
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To defend Verdun, the well-organized French artillery sends reinforcements along the vital supply route later dubbed the "Sacred Way."
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The Battle of the Somme is the name given to the large Allied offensive in 1916 against the Germans on the Western Front. A costly failure for the Allies, the Battle of the Somme came to symbolize the massive casualties and futile slaughter of World War I.
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The Zimmermann note was a proposal to join the Central Powers. The proposal was intercepted and decoded by British intelligence. Zimmermann note became a coded telegram dispatched by the Foreign Secretary on January 16, 1917.
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Signed by representatives from Germany and Russia, this treaty ended Russia's involvment in World War I.
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The armistice that ended the war was signed on the 11th hour (11:00am) on the 11th day, of the 11th month. War is ended,
