World War I

  • Assassination of Archduke Franz Ferdinand

    Archduke Ferdinand the heir to the throne of Austria was killed in serbia
  • Austria declares war on Serbia

    Austria was getting revenge for serbia killing the Archduke of Austria
  • First Battle of the Marne

    The first battle at marne.
  • Beginning of Trench Warfare

    Trench warefare was started
  • Sinking of the Lusitania

    The lusitania was sank.
  • Battle of Verdun

    The battle of verdun
  • Battle of the Somme

    the battle of the somme
  • Germany begins unrestricted submarine warfare

    Germany starts a submarine warfare
  • US declares war on Germany

    War on Germany is declared by the US. This is when the US entered the war.
  • Treaty of Brest-Litovsk

    A treaty was written
  • World War I ends

    The war is over.
  • Treaty of Versailles signed

    The war is officially over and a treaty is signed