Feast of St. Waldetrudis, foundress, daughter of Sts. Walbert & Bertilia, 
Married to Madelgaire, Count of Hainault, mother of Sts. Landericus, Madalberta, Adeltrudis & Dentelin. She founded the convent of Sainte-Waudru.  The city of Mons grew around it. Patron of Mons, Belgium