Outbreak of World War I Timeline

By nlangan

  • The Triple Entente

    • A major deffense alliance that included Russia, France & Britain.
    • Eventually became known as the allies and was the enemy of the Triple Alliance.

  • The Triple Alliance is Formed

    The Triple Alliance is Formed
    • A major deffense alliance in Europe between Italy, Germany, & Austria-Hungry.
    • Nations feared the amount of pwoer it had so it set a measure of international security.

  • Austria-Hungary Takes Control of Bosnia

    Austria-Hungary Takes Control of Bosnia
    • Austria-Hungary announced its annexation of Bosnia and Herszegovina.
    • The increase and tensions brought the Balkan region struggling for power and eventually The Congress of Berlin administered the provinces to settle the disput.

  • Archduke Franz Ferdinand is Assassinated in Sarajevo

    Archduke Franz Ferdinand is Assassinated in Sarajevo
    • Archduke and his wife Sophie were killed after Gavrilo Princip stepped from the crowd and shot them.
    • Led to war in Europe.

  • Austria-Hungary Declares War on Serbia

    Austria-Hungary Declares War on Serbia
    • After the assassination of the Archduke of Austria. Austria-Hungray declared war on Serbia.
    • Started in Europe and spread all across the world.
    • Alliances pulled more nations into conflict going on.

  • Germany Invaded Belgium

    Germany Invaded Belgium
    • A proposition to Belgium asked by Germany was to let Germany have permission to march through the country.
    • After refusing the offer German began to invade Belgium. ( The strategy that was being followed was known as the Schlieffen Plan)

  • A German U-Boat Sinks the Lusitania

    A German U-Boat Sinks the Lusitania
    • Happened off the southern coast of Ireland.
    • Killed nearly one 1,500 people and turned Americans against the Central Powers.

  • The First Battle of the Somme Begins

    The First Battle of the Somme Begins
    • Worst day in history for British military; between British and French armies.
    • Over 2 million men were involved.
    • Ended in the middle of November.

  • The Zimmerman Note is Discovered

    The Zimmerman Note is Discovered
    • Purpose of the letter was to bring together Japan and Mexico with Germany in war vs. the United States
    • Was intercepted by British agents after being passed from the German foreign minister (Arthur Zimmerman) to the German ambassador.

  • The United States Declares War on Germany

    The United States Declares War on Germany
    • After asking Germnay to stop attakcing our ships and they countinued to this was a leading factor heading into the war.
    • Wilson declared the war with only 200,000 men in service for us.