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
Paris in the 18th century in Paris was largely announced by the church bells; in 1789 there were 66 churches, 92 chapels, 13 abbeys and 199 convents, all of which rang their bells for regular services and prayers; sometimes a little early, sometimes a little late. A clock had also been installed in a tower of the palace on the Île de la Cité by Charles V in about 1370, and it also sounded the hour. Wealthy and noble Parisians began to have pocket watches, and needed a way to accurately set the time, so sundials appeared around the city. The best known-sundial was in