Who were the black hand gang?

Who was Franz Ferdinand?

Where did he go in bosnia and why?

What date was he killed and what happened?

What is the significance of the assassination of Franz Ferdinand?

When did Austria declare war on Serbia?

When did Russia mobilize its army?

Germany declare war on Russia?

Germany declare war on France (activating Schlieffen plan)?

Britain declare war on Germany?

France declare war on Germany?

Austria declare war on Russia?