Obligatory memorial of the Blessed Virgin Mary, Mother of the Church
The Holy See has announced the decision by Pope Francis to insert the celebration of the Blessed Virgin Mary, Mother of the Church, into the General Roman Calendar. The decision by the Holy Father to make this an annual obligatory memorial was announced this past 3 March 2018. As indicated in the Decree of the Congregation of Divine Worship and the Discipline of the Sacraments (Prot. N. 10/18) dated 11 February 2018, the obligatory memorial is to be observed annually on the Monday after Pentecost Sunday.
Link the Decree in Latin (PDF)Link to the Decree in English (PDF)