March 15th , 1879
François-Joseph-Claude Jaffrennou (15 March 1879 - 23 March 1956) was a Breton language writer and editor. He was a Breton nationalist and a neo-druid bard. He is also known as François Taldir-Jaffrennou, since he also used the bardic name Taldir (“Wall of Steel”). He was one of the pioneers of the Breton autonomist movement.