Paris in the 18th century the Marquis de Lafayette organized a "Garde nationale" to defend the city against the army. On 14 July, a mob seized the arsenal at the Invalides, acquiring thousands of guns, and stormed the Bastille, a symbol of royal authority, a prison which at the time held only seven prisoners, and was defended by eighty invalid soldiers, reinforced by thirty-six Swiss guards. About forty Revolutionaries were killed in the fighting. The governor of the Bastille, the Marquis de Launay, surrendered and then was killed, and his head put on the end of a pike and carried around Paris. The Provost of
Bastille and why: the legend of the "Man in the Iron Mask", a mysterious prisoner who finally died in 1703, symbolises this period of the Bastille. Although in practice many were held at the Bastille as a form of punishment, legally a prisoner in the Bastille was only being detained for preventative or investigative reasons: the prison was not officially supposed to be a punitive measure in its own right. The average length of imprisonment in the Bastille under Louis XIV was approximately three years. Under Louis, only between 20 and 50 prisoners were usually held at the Bastille at any