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The Archduke of Austria-Hungary was shot and killed by Gavrilo Princip. This event is often considered the spark for WWI, due to entangling alliances
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One month to the day after Archduke Franz and his wife were killed, Austria-Hungary declares war on Serbia. Which was the beginning of World War 1.
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Germany declares war on France because Germany was planning to attack Russia, and they knew France would honour its alliance with Russia.
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Germany invaded Belgium which was neutral and Britain then sends an ultimatum, rejected by the Germans, to withdraw from Belgium. Great Britain declares war on Germany.
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The sinking of the Cunard ocean liner RMS Lusitania occurred during the First World War, as Germany waged submarine warfare against the United Kingdom which had implemented a naval blockade of Germany.
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Over the next 10 months, the French and German armies at Verdun, France, suffer over 700,000 casualties, including some 300,000 killed. By the battle’s conclusion, entire French villages had been wiped from the map
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Democratic President Woodrow Wilson defeated Supreme Court Justice Charles Evans Hughes, the Republican candidate.
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Germany wrote a secret note that was in code that proposed a military alliance between Germany and Mexico.
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The American steamer Aztec is torpedoed without warning by a German U-boat as it enters British waters. Twenty-eight Americans drown.
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After Germany destroyed the Lusitania and after they received the Zimmerman note the United States joined the war.
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President Woodrow Wilson asked Congress to declare war against Germany, saying “The world must be made safe for democracy.” Four days later Congress voted yes to war declaration.
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just two months after the United States entered World War I, Congress adopted the Espionage Act. The act, which was meant to define the act of espionage during wartime, put new limits to Americans' First Amendment rights
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The 1918 influenza pandemic was an unusually deadly influenza pandemic, the first of the two pandemics involving H1N1 influenza virus. It infected 500 million people around the world
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The Armistice of 11 November 1918 was the armistice signed at Le Francport near Compiègne that ended fighting on land, sea and air in World War I between the Allies and their opponent, Germany.
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Germany and the Allied Nations signed the Treaty of Versailles, formally ending the war. President Wilson had outlined in his famous Fourteen Points, but was rejected.
