Jean-Baptiste-Sylvère Gay, viscount de Martignac

Jean-Baptiste-Sylvère Gay, viscount de Martignac (born June 20, 1778, Bordeaux, France—died April 3, 1832, Paris) was a French politician, magistrate, and historian who, as leader of the government in 1828–29, alienated King Charles X with his moderate policy.

In 1798 Martignac was secretary to the abbé Sieyès, a publicist and Revolutionary leader. After service in the army, Martignac wrote several light plays. During the reign of Napoleon I (1804–14), he was a successful advocate in Bordeaux, where he belonged to a secret society of ultraroyalists, the Chevaliers de la Foi (“Knights of the Faith”). In 1818 he was appointed advocate general of the cour royale (“royal court”), and in 1819 he became procureur général (“attorney general”) at Limoges. In 1821 he was elected to the Chamber of Deputies, where he supported the conservative politician the Count de Villèle.

In 1822–24 Martignac received important appointments and was made a viscount. His contact with practical politics and the currents of the time modified his views in the direction of the centre. When the Villèle administration fell (1827), Charles X chose Martignac to carry out a compromise policy. On Jan. 4, 1828, Martignac was appointed minister of the interior and became virtual head of the cabinet. He succeeded in abolishing Villèle’s laws censoring the press and in gaining for the state some control over religious houses of education. In 1829 a coalition of the extreme right and the extreme left defeated him in the Chamber. Martignac’s willingness to make even small concessions to the left had consistently galled the king, who replaced him with the Prince de Polignac, an ultraroyalist. Martignac’s last public appearance was to defend Polignac in the Chamber of Peers in December 1830.

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