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Franz Ferdinand, heir to the Austro-Hungarian Empire, was shot to death with his wife by the Bosnian Serb nationalist Gavrilo Princip in Sarajevo. Sparked the outbreak of World War I.
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This war declaration broke the peace between Europe's great powers.
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Germany enters the war and invades Belgium. The attack on Belgium brings Great Britain into the war.
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Germany uses a zeppelin to attack England. Zeppelins were a great advantage because they could observe the entire battlefield and were usually out of the range of enemy artillery.
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German U-boat attacks on Allied and neutral shipping; declares blockade of Britain. This prompted Britain to later blockade Germany.
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When a German U-boat sunk the Lusitania, a ship with American passengers, the U.S. and Germany went into a diplomatic crisis, prompting the U.S. to enter the war.
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Germany attacks Verdun, defended by the French. This was the longest battle of the war and cost much from both sides.
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The biggest naval battle in history fought between Britain and Germany. There was no clear victor.
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In the Battle of Somme, the British and the French fought against Germany. This battle had the greatest British casualties in British military history, 60,000.
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President Woodrow Wilson had delivered a war address to congress a few days before and congress agreed to join the fight against Germany
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This Act punished people for protesting the war or the U.S. government.
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U.S. realized that they must fight Austria-Hungary to win the war
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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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Germany will no longer warn ships before attacking them. This caused the hostility between other countries and Germany to rise.
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Armistice ended hostility between Allied forces and Germany and France. Ended hostilities on the Western Front of WWI. Took in effect at 11 o'clock in the morning, "eleventh hour of the eleventh day of the eleventh month." Today this day is known as Veterans Day.
