The Huguenot rebellions, sometimes called the Rohan Wars after the Huguenot leader Henri de Rohan, were an event of the 1620s in which French Calvinist Protestants (Huguenots), mainly located in southwestern France, revolted against royal authority. The uprising occurred a decade following the death of Henry IV, who, himself originally a Huguenot before converting to Catholicism, had protected Protestants through the Edict of Nantes. His successor Louis XIII, under the regency of his Italian Catholic mother Marie de' Medici, became more intolerant of Protestantism. The Huguenots tried to respond by defending themselves, establishing independent political and military structures, establishing diplomatic contacts with foreign powers, and openly revolting against central power. The Huguenot rebellions came after two decades of internal peace under Henry IV, following the intermittent French Wars of Religion of 1562–1598.