October 1
Saint Therese of the Child Jesus is invoked as patron of the missions. Marie-Françoise-Thérèse Martin, ninth child of Saints Louis and Zélie Martin, was born at Alençon, Normandy, on 2 January 1873. After her mother's death in 1877 the family moved to Lisieux. Sources: https://www.vatican.va/content/john-paul-ii/en/apost_letters/1997/documents/hf_jp-ii_apl_19101997_divini-amoris-scientia.html.