The Catholic calendar commemorates venerable figures of the Church, covering both saints and blesseds, assigning them a specific date for their memory. Among the approximately 10,000 personalities that the Catholic Church honors, each day is dedicated to the memory of a select group, with May 14 being the date on which, among others, Saint Matthias the Apostle is celebrated.

Given the extensive history of the Catholic Church, the number of saints is considerably high, resulting in multiple name day celebrations on the same day:

© Library of Christian Authors (J.L. Repetto, All Saints. 2007