The Storming of the Bastille was the event that marked the beginning of the French Revolution. In that period, the Bastille was a fortress were used as a state prison, the prison was known as to be a place that political prisoners were kept and a symbol of the oppression of King Louis XVI.
Assuming this is the same question you posted before, the better historical argument deals with the idea that World War II began in part from the failure of the Treaty of Versailles.