WWI

  • The Assassination of Archduke Franz Ferdinand: The Outbreak of WWI

    This was important to the start of WWI because Austria-Hungary issued an ultimatum to Serbia, which was rejected and led Austria-Hungary to declare war against Serbia, with German support.
  • American Neutrality in World War I

  • The Battle of the Marne

  • The Sinking of the Lusitania

  • The Battle of the Verdun

  • The Sussex Incident

  • The Battle of the Somme

  • The Zimmermann Telegram

  • Unrestricted Submarine Warfare by Germany

  • The United States Enters World War I

  • The Selective Service Act

  • The Espionage Act

  • American Expeditionary Force (AEF) in France

  • The Fourteen Points by President Wilson

  • Spanish Flu Epidemic

  • Russia Pulls Out of World War I

  • The Sedition Act

  • The Battle of Argonne Forest

  • Armistice Day Ends World War I

  • The Paris Peace Conference & Treaty of Versailles