This 12 months, Epiphany is well known on Sunday January 4. In Christian custom, it marks the manifestation of Jesus to the Three Wise Men. In France, it’s the alternative to style the galette des rois.
https://www.france24.com/fr/france/20260104-instant-positif-%C3%A9piphanie-fran%C3%A7ais-tirent-rois-reines-galettes