US History Ch. 19

  • The Triple Entente is Formed

    -It consisted of France, Britian and Russia.
    -They opposed the Central Powers
  • The Triple Alliance is Formed

    -It consisted of Germany, Austria-Hungary, and Italy.
  • Austria-Hungary Takes Control of Bosnia

    -This angered Serbians who felt the province should be theirs. Serbia threatened Austria-Hungary with war.
    -Russia ,allied to Serbia mobilized it's forces.
  • Archduke Franz Ferdinand is Assassinated in Sarajevo

    -Serbian nationalist Gavrilo Princip stepped from the crowd and shot the Archduke and his wife Sophie.
    -Princip was a member of the Black Hand, an organization promoting Serbian nationalism.
    -The assassinations touched off a diplomatic crisis.
  • Austria-Hungary Declares War on Serbia

    -Declared war because of the assassination of Franz Ferdinand.
    -Convinced that the Serbian government had conspired against them, Austria-Hungary issued Serbia an unacceptable ultimatum.
  • Germany Invaded Belgium

    -Used the Schlieffen Plan. This plan called for a holding action against Russia, combined with a quick drive through Belgium to Paris.
    -After France had fallen, the two German armies would defeat Russia.
  • A German U-Boat Sinks the Lusitania

    -Of the 1,198 persons lost, 128 were Americans.
    -The Germans defended their action on the grounds that the liner carried ammunition. Despite Germany’s explanation, Americans became outraged with Germany because of the loss of life.
    -American public opinion turned against Germany and the Central Powers.
  • The First Battle of the Somme Begins

  • The Zimmerman Note is Discovered

    -A telegram from the German foreign minister to the German ambassador in Mexico that wasintercepted by British agents.
    -The message proposed a German-Mexican alliance and promising to help Mexico regain Texas, New Mexico, and Arizona if the United States entered World War I.
  • The United States Declares War on Germany

    -Declared because of the Zimmerman Note.
    -Mexico was going to ally itself with Germany.