The Estates of Navarre "(French: États de Navarre, États généraux de Navarre, Cortes de Navarre)" were created in 1317 under Philip II. The Estates of Lower Navarre "(French: États de Basse-Navarre, Cortes de la Basse-Navarre)" were first called into session on 28 August 1523 by Henry II after the definitive loss of Upper Navarre,