Soirée Celtomania: 37th Edition Program Launch is a premier Regional Language, Performing Arts manifestation in the heart of the Pays de la Loire, specifically in 12 avenue de l’Angevinière. Tracing its origins back through pivotal local milestones, this gathering commemorates the territory’s storied past and communal growth. As a vital expression of regional identity, it showcases the unique spirit and collective pride of the local population. Attendees are invited to embark on a sensory journey through diverse activities, ranging from traditional performances to curated exhibitions. By promoting social cohesion, the gathering strengthens the bonds between local residents and visitors in a shared ritual. For scholars and historians, the event provides a living archive of data for studying regional ethnographic trends and intangible heritage. Ultimately, the manifestation ensures the safeguarding and transmission of this magnificent cultural legacy to future generations.