St. Peter, instructed by the Blessed Virgin, founded the Order of Our Lady of Mercy for the Redemption of Captives.  When all funds for the work were exhausted, the religious were bound by their rule to take the places of the prisoners with the infidels.  St. Peter Nolasco died A.D. 1256.

Also the Commemoration of St. Agnes, Virgin & Martyr.  Commemoration of the apparition of St. Agnes to her parents who came to pray at her tomb eight days after her martyrdom.

Proper on pages 1155, 1040.  Common Preface on page 886.