The assassination of Franz Ferdinand by a Serbian Gavrilo Princip is the event that started World War 1. Ferdinand's wife Sophie was also killed in the attack.
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
The assassination of Archduke Ferdinand.
The assassination of archduke ferdinand
World War II started in EUROPE when Italy invaded and took control of Ethiopia. World War II started in JAPAN when Japan invaded Manchuria.
World War 1 was started when the Archduke Ferdinand of Austria-Hungary was assinated.
The treaty of Versailles and that started the war up again
formation of uno
The assassination of Archduke Ferdinand
Germany invaded Poland
World War One started.
Hitler invading Poland