First war to involve countries from every continent
Triple Entente forms
Assassination of Archduke Franz Ferdinand
Shot by a Serbian Nationalist that was working with the organization known as the BLACK HAND.
Wife was also killed.
Was in the Bosnian capital of Serajove.
Ultimatam given to Serbia
Austria Hungary declares war on Serbia
Russian troops mobilize
germans attack
Germany declares war against France
Great Britian declares war on Germany for violating Belguim nuetrality