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Causes of US Entry into WWI

  • Assassination of Archhduke Franz Ferdinand

    Assassination of Archhduke Franz Ferdinand
    On this day in 1914, Archduke Franz Ferdinand of Austria and his wife Sophie are shot to death by a Bosnian Serb nationalist during an official visit to the Bosnian capital of Sarajevo. The killings sparked a chain of events that led to the outbreak of World War I by early August.
  • WWI Begins & Reaction of US

    WWI Begins & Reaction of US
    As World War I erupts in Europe, President Woodrow Wilson formally proclaims the neutrality of the United States, a position that a vast majority of Americans favored, on August 4, 1914.
  • Sinking of The Lusitania

    Sinking of The Lusitania
    On May 7, the ship neared the coast of Ireland. At 2:10 in the afternoon a torpedo fired by the German submarine U 20 slammed into her side. A mysterious second explosion ripped the liner apart. Chaos reigned. The ship listed so badly and quickly that lifeboats crashed into passengers crowded on deck, or dumped their loads into the water. Most passengers never had a chance. Within 18 minutes the giant ship slipped beneath the sea. One thousand one hundred nineteen of the 1,924 aboard died. The d
  • Arabic Pledge

    Arabic Pledge
    The Arabic pledge was a promise made by the German Empire during World War I to limit unrestricted submarine warfare.
  • Sussex Pledge

    Sussex Pledge
    The Sussex pledge was a promise made in 1916 during World War I by Germany to the United States prior to the latter's entry into the war. Early in 1916, Germany had instituted a policy of unrestricted submarine warfare, allowing armed merchant ships but not passenger ships to be torpedoed without warning.
  • Pancho Villa Raids New Mexico

    Pancho Villa Raids New Mexico
    In the early morning of March 9, 1916, several hundred Mexican guerrillas under the command of Francisco "Pancho" Villa cross the U.S.-Mexican border and attack the small border town of Columbus, New Mexico. Seventeen Americans were killed in the raid, and the center of town was burned. It was unclear whether Villa personally participated in the attack, but President Woodrow Wilson ordered the U.S. Army into Mexico to capture the rebel leader dead or alive.
  • "He kept us out of war"

    "He kept us out of war"
    Wilson's campaign used the popular slogan "He kept us out of war" to appeal to those voters who wanted to avoid a war in Europe or with Mexico.
  • Zimmermann Note

    Zimmermann Note
    The Zimmermann Note was a diplomatic proposal from the German Empire to Mexico to make war against the United States. The proposal was intercepted and decoded by British intelligence. Revelation of the contents outraged American public opinion and helped generate support for the United States declaration of war on Germany in April
  • Russian Revolution

    Russian Revolution
    The Russian Revolution is the collective term for a series of revolutions in Russia in 1917, which dismantled the Tsarist autocracy and led to the creation of the Russian SFSR
  • WWI Begins & US Reactio

    WWI Begins & US Reactio
    Woodrow Wilson was hoping to create neutrality between all the worlds nations. He formed the League of Nations in hopes that there would in turn be freedom of waters (seas and oceans), free trade, re-drawing of national borders, and the hopes of decolonization.