The first Paréage of Andorra (Catalan: Tractat de pareatge) was a feudal charter signed in Lleida on 8 September 1278.
[1] It codified a lay and ecclesiastical agreement between the Count of Foix, Roger-Bernard III, and the Bishop of Urgell, Pere d'Urtx, establishing their joint sovereignty over the territory of Andorra.
Henry IV was therefore the first French king to also be Co-Prince of Andorra, a title which would eventually pass to today's president.
[6] With the Constitution in 1993, the system of government was then modified to provide for a parliamentary democracy, in which the rulers remained as ceremonial heads of state.
[6] In 1978, to mark the 7th centenary of the signing of the paréage, the French postal service issued a stamp showing the preamble of the Acte of 1278.