Treaty of the Pyrenees

The 1659 peace agreement between France and Spain ended their war and arranged Louis XIV’s marriage to Maria Theresa of Spain. It transferred territory to France and reshaped the two kingdoms’ border.

Treaty of the Pyrenees territorial changes: The territorial cessions and border arrangements France and Spain made under the 1659 treaty. These provisions shifted Roussillon and parts of the Spanish Netherlands to France.
Cardinal Mazarin: An Italian-born cardinal and chief minister who governed France during Louis XIV’s minority. He directed French diplomacy and negotiated the settlement for France.
Marriage treaty of Louis XIV and Maria Theresa: The agreement governing the 1660 marriage of Louis XIV and Maria Theresa of Spain, including its financial and dynastic conditions. It gave detailed form to the marriage arrangement negotiated at the Pyrenees.
Thirty Years' War: A series of conflicts from 1618 to 1648 involving European powers, fought chiefly in the Holy Roman Empire. The Franco-Spanish war overlapped with this wider struggle before continuing beyond its end.
Île des Faisans: A small island in the Bidasoa River, shared by France and Spain and used for diplomatic meetings. The island hosted the formal handover and royal meeting associated with the settlement.
Catalonia: A region in northeastern Iberia with a distinct language and political history. France retained Roussillon and part of Cerdanya, territories tied to the Catalan Revolt.
Luis de Haro: A Spanish nobleman and chief minister of Philip IV during the final phase of the Franco-Spanish War. He negotiated the treaty for Spain alongside Mazarin.
Spanish succession: The transfer of the Spanish monarchy and its territories among European dynasties after the Habsburg line ended. Maria Theresa’s renunciation was intended to limit French claims to the Spanish crown.
Battle of the Dunes (1658): A 1658 battle near Dunkirk in which French and English forces defeated the Spanish army. The defeat strengthened France’s position in the negotiations that produced the treaty.
Meeting on the Île des Faisans (1660): The 1660 meeting on the Bidasoa River where Louis XIV and Philip IV met before the royal marriage. The meeting publicly enacted the reconciliation promised by the treaty.

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