Cause Of The War
Archduke Ferdinand was the Archduke of Austria. He entered the Austrian army at a very young age. He was assassinated in June 28th 1914. This event eventually led to other events triggering World War 1.
The Assassination of Franz Ferdinand
Effect Of Assasination.
When Ferdinand was assassinated Austria-Hungary declared war on Serbia as a result. Russia being allies with Serbia forced them to declare war to. Russia was also allied with Britain, France, and Germany. All these alliances is what triggered the start of the first world war.