First Wave Online

Key Events leading to World War

Return to Homepage

A few facts and figures of events that shaped the progress of the War (Source: Official History of the Great War Principal Events 1914-1918 published 1922)

Archduke Franz Ferdinand was assassinated at Sarajevo by Gavrilo Princip on 28 June 1914

  • 23 July 1914 Austro-Hungarian Government send ultimatum to Serbia.
  • 24 July 1914. German Government submit note to Entente Governments approving the Austrian ultimatum to Serbia
  • 25 July 1914 Serbian Government order Mobilisation. Austria severs diplomatic relations with Serbia.
  • 26 July 1914. Austro-Hungarian order partial Mobilisation against Serbia. Kaiser returns from Baltic to Berlin
  • 27 July 1914. French and Italian Governments accept British proposals for an International Conference. German High Seas Fleet recalled from Norway to war bases.
  • 28 July 1914. Austria-Hungary declare War on Serbia. Germany rejects British proposals for an International Conference. British Fleets are ordered to war bases.

Return to Homepage