The Treaty of Lisbon, signed on February 13, 1668, officially brought an end to the Portuguese Restoration War, thereby establishing a lasting peace between the Kingdom of Portugal and the Kingdom of Spain. This treaty marked a significant milestone in the history of Portugal, as it formally recognized the independence and sovereignty of the Portuguese nation. The terms of the treaty were negotiated by representatives of both kingdoms, with the aim of establishing a durable and lasting peace. The treaty's provisions were to be observed and respected by both parties in perpetuity.
The Treaty of Lisbon was a peace agreement between Portugal and Spain that ended the Portuguese Restoration War and recognized Portugal as an independent country. This meant that Spain would no longer try to control Portugal.