 The subsidies had been reduced by degrees, as Henry gained more control of the nation.By the peace of Montpellier in 1622, concluding a Huguenot revolt in Languedoc, the fortified Protestant towns were reduced to two, La Rochelle and Montauban.The "brevets" were entirely withdrawn in 1629, by Louis XIII, following the Siege of La Rochelle, in which Cardinal Richelieu blockaded the city for fourteen months.