Some Royal Dude got shot
The first world war started after the assassination of Duke Franz Ferdinand.
World War 2 started.
The Germans started both wars.
The assassination of the duke, Franz Ferdinand started it. It turned into a world war because everyone was pointing fingers at each other
The UN was started in 1945, just after World War II.
It was the assasination of archduke franz Ferdinand that directly started world war 1
World War II
It was Germany's invasion of Poland that began World War II.
I think when Adolf Hitler was untrue to a treaty .
Germany invaded Poland
The assassination of Franz Ferdinand
The assassination of Archduke Ferdinand
World War One started.
The unprovoked attack on Pearl Harbour by the Japanese
Japan bombing Pearl Harbor
Many events led to world war1 but the main event that started the war was when archduke Franz Ferdinand of austria-Hungary was assassinated by a serbian terrorist Many events led to world war1 but the main event that started the war was when archduke Franz Ferdinand of austria-Hungary was assassinated by a serbian terrorist