Gaston returns to France--Precarious position of the French armies--Death of the Duke of Savoy--The French besiege Pignerol--Richelieu urges the King to possess himself of the Duchy of Savoy--Marie de Medicis opposes the measure--Louis XIII overruns Savoy--The French lose Mantua--Jules Mazarin--The King is attacked by fever at Lyons--Moral effects of his indisposition--He consents to dismiss the Cardinal from office--Reconciliation of the royal family--The Court return to the capital--Richelieu endeavours to regain the favour of the Queen-mother--Policy of Marie--Richelieu seeks to effect the disgrace of Marillac--The two Queens unite their interests--Meeting of the royal brothers--Gaston inveighs bitterly against the Cardinal--The Queen-mother takes up her abode at the Luxembourg--Louis proceeds in state to bid her welcome--Monsieur publicly affronts Richelieu--A treaty is concluded with Italy--Public rejoicings in Paris--Marie dismisses the Cardinal and his relations from her household--A drama at Court--Richelieu prepares to leave Paris; but is dissuaded, and follows the King to Versailles--Exultation of the citizens at the anticipated overthrow of the Cardinal-Minister--The courtiers crowd the Luxembourg--Bassompierre at fault--Triumph of Richelieu--Hypocrisy of the Cardinal--"The Day of Dupes"--A regal minister--The Marillacs are disgraced--Anne of Austria is suspected of maintaining a secret correspondence with Spain--Gaston conspires with the two Queens against Richelieu--Divided state of the French Court--A _fête_ at the Louvre. CHAPTER VIII 1631