 The last two were in reduced form, being without Liturgy of the Word.Pope Pius V's reforms in 1570 forbade the celebration of Mass after noon, and the Mass of the Lord's Supper became a morning Mass and remained so until Pope Pius XII's reforms in the 1950s.The washing of feet that is now part of the Mass of the Lord's Supper was in use at an early stage without relation to this particular day, and was first prescribed for use on Holy Thursday by a 694 Council of Toledo.