Outbreak of World War I

  • The Triple Entente

    The Triple Entente
    This was the name of the French, British and Russian partnership of the First World War. It was the opposition to the triple alliance
  • Triple Alliance

    Triple Alliance
    It brought Italy into the alliance agreed between Germany and Austria-Hungary as a counterweight to France and Russia. One of the main points of the Triple Alliance was to prevent Italy from declaring war against Austria-Hungary.
  • Austria-Hungary Takes Control of Bosnia

    Austria-Hungary Takes Control of Bosnia
    The Dual Monarchy of Austria-Hungary announced its annexation of Bosnia and Herzegovina. Though Bosnia and Herzegovina were still nominally under the control of the Ottoman Sultan in 1908, Austria-Hungary administered the provinces since the Congress of Berlin in 1878.
  • Archduke Franz Ferdinand is assassinated in Sarajevo

    This event led to an outbreak of war in Europe. Gavrilo Princip was the one who led this assassination.
  • Austria-Hungary Declares War on Serbia

    Austria-Hungary Declares War on Serbia
    The war began in Europe and ended up spreading across the world. It began with a telegram sent by the Austro-Hungarian foreign minister, Count Leopold von Berchtold to M.N. Pashitch, the Serbian Prime and Foreign Minister.
  • Germany Invadeed Belgium

    Germany gave an ultimatum tol Belgium, asking permission to march through the country. Belgium refused the demaands. Thus, Germans invaded Beligums.
  • A German U-Boat Sinks the Lusitania

     A German U-Boat Sinks the Lusitania
    Walter Schweiger, fired at the RMS Lusitania, striking forward of the bridge on its starboard side.The German government apologised to the U.S. government for the loss of its citizens and offered to pay reparations, to maintain neutral relations with the U.S.
  • The First Battle of the Somme Begins

    The First Battle of the Somme Begins
    It was tworst day in deaths British military history. This battle eventually involved over 2 million men. It was the British and French armies.
  • The Zimmerman Note is Discovered

    The Zimmerman Note is Discovered
    The note was sent by Arthur Zimmermann to his minister in Mexico. The letter was an attempt to unite Mexico and Japan with Germany in war against the United States.
  • The United States Declares War on Germany

    The United States Declares War on Germany
    Wilson declared this in a speech to congress. War was declared because the British-French Alliance was losing the war that the Americans were so far financing.