Brest Charter was a document signed by the Irish Republican Movement (IRM), Breton Democratic Union (UDB) and the Galician People's Union (UPG) in February 1972 in Brest, Brittany, France. The Charter confirmed a joint struggle for a Europe of independent socialist states. The Herri Alderdi Sozialista Iraultzailea, Cymru Goch, Socialist Party of National Liberation - provisional, Catalan Workers Left, Su Populu Sardu and Occitan Struggle (LOC) also signed the Charter.
References
Brest Charter Wikipedia(Text) CC BY-SA