The three most notable celebrations of the Feast of the Ass were at Rouen, Beauvais and Sens.
Caesar hastened back from Italy, slipped past Vercingetorix and reached Agedincum (Sens), the headquarters of his legions.
She was married to Saint Louis at Sens on the 27th of May 1234, and was crowned the next day.
But this plan came to nothing, and in September 879 the brothers were crowned at Ferrieres by Ansegisus, archbishop of Sens.
At Sens the Feast of the Ass was associated with the Feast of Fools, celebrated at Vespers on the Feast of Circumcision.