 The white-marble statues of Michel de Montaigne and Charles de Secondat, baron de Montesquieu (by sculptor Dominique Fortuné Maggesi) were added in 1858.The principal monument was erected between 1894 and 1902, in memory of the Girondists who fell victim of the Reign of Terror during the French Revolution.It has a large pedestal framed with two basins, decorated with bronze horses and troops, and surmounted by a large column with a statue on top to represent the spirit of liberty.