Breton Nationalist Party

The immediate cause of the party's foundation was the proposal to erect a monument to celebrate the unity of Brittany with France, a process which had been finalised by the 1532 treaty of union.

[3] The PNB sought to unite the burgeoning Breton political movement, even though other groups already existed, most notably Bleun Brug (Heather Flower) created in 1905 by the Abbe Jean-Marie Perrot with its journal Feiz ha Breiz (Faith and Brittany).

In contrast to the purely Catholic Bleun Brug, the PNB included political radicals, libertarians and leftists, along with conservatives.

The monument, created by the artist Jean Boucher, depicted Duchess Anne of Brittany rising from a kneeling position before the King of France.

In 1941, on the thirtieth anniversary of the foundation of the original PNB, the leaders of the new party organised a celebration of it and a tribute to Camille Le Mercier d'Erm.