WWI

  • The Assassination of Archduke Franz Ferdinand: The Outbreak of 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

    American Neutrality in World War I

    Important for maintaining economic prosperity through trade with both sides, preserving domestic stability by avoiding internal divisions among immigrants, and aligning with the traditional U.S. policy of isolationism from European conflicts.
  • The Battle of the Marne

    The Battle of the Marne

    It halted Germany's advance on Paris, ending their hope for a quick victory in World War I and ultimately leading to a prolonged, four-year stalemate on the Western Front.
  • The Sinking of the Lusitania

    The Sinking of the Lusitania

    Significantly shifted American public opinion against Germany and pushed the United States closer to entering World War I.
  • The Battle of the Verdun

    The Battle of the Verdun

    Important for halting a major German offensive, becoming a powerful symbol of French resistance, and highlighting the brutal nature of attrition warfare in World War I.
  • The Sussex Incident

    The Sussex Incident

    It led the United States to the brink of entering World War I.
  • The Battle of the Somme

    The Battle of the Somme

    Its importance lies in its devastating human cost, which symbolized the horrors of trench warfare, and its role in forcing a major shift in British military strategy toward more coordinated tactics, the first use of tanks, and changes in military doctrine.
  • The Zimmermann Telegram

    The Zimmermann Telegram

    It was a catalyst for the United States' entry into World War I.
  • Unrestricted Submarine Warfare by Germany

    Unrestricted Submarine Warfare by Germany

    Strategic goal to cripple Britain's economy by sinking supply ships without warning
  • The United States Enters World War I

    The United States Enters World War I

    Decisively turned the tide of the war in favor of the Allies, preventing a German victory.
  • The Selective Service Act

    The Selective Service Act

    Provided the U.S. government with the authority to conscript citizens into military service, which is crucial for rapidly mobilizing forces during national emergencies.
  • The Espionage Act

    The Espionage Act

    Protecting national security by criminalizing the unauthorized disclosure of sensitive defense information and for empowering the Coast Guard in its port security mission.
  • American Expeditionary Force (AEF) in France

    American Expeditionary Force (AEF) in France

    Providing a massive surge of fresh manpower, crucial supplies, and a much-needed morale boost to the exhausted French and British forces.
  • The Fourteen Points by President Wilson

    The Fourteen Points by President Wilson

    Formed the basis for the negotiations of the Treaty of Versailles, set a moral framework for peace after World War I, and inspired the creation of the League of Nations
  • Spanish Flu Epidemic

    Spanish Flu Epidemic

    It weakened both sides, potentially influenced the war's outcome by hindering military efforts, and spread globally due to troop movement.
  • Russia Pulls Out of World War I

    Russia Pulls Out of World War I

    Allowed Germany to concentrate troops on the Western Front, nearly leading to an Allied defeat, and triggered a devastating Russian Civil War as the new Bolshevik government consolidated power. The withdrawal also resulted in massive territorial losses for Russia and established a precedent for future revolutionary movements.
  • The Sedition Act

    The Sedition Act

    testing First Amendment rights, leading to the first national debates on freedom of speech and the press in the US.
  • The Battle of Argonne Forest

    The Battle of Argonne Forest

    Final Allied offensive of World War I, involving the largest number of American troops in the war and ultimately breaking the German army.
  • Armistice Day Ends World War I

    Armistice Day Ends World War I

    Marked the end of fighting in World War I on November 11, 1918, leading to eventual peace and treaty negotiations.
  • The Paris Peace Conference & Treaty of Versailles

    The Paris Peace Conference & Treaty of Versailles

    Significant for ending World War I, redrawing the map of Europe, and creating the League of Nations.