• April 25th 1915




  • May 7th 1915




  • May 23rd 1915




  • September 5th 1915




  • January 27th 1916




  • February 21st 1916




  • November 21st 1916




  • December 7th 1916




  • Allied forces land at Gallipoli




  • A German U-boat sinks RMS Lusitania




  • Italy declares war on Austria-Hungary




  • Nicholas II takes personal command of the Russian army




  • British government introduces conscription




  • Germans initiate the Battle of Verdun




  • The death of Austrian emperor Franz Joseph




  • Lloyd George becomes British prime minister