Feast Day: November 18
Weekday with two Optional Memorials. The Dedication of the Basilicas of Saint Peter on the Vatican Hill and Saint Paul Outside-the-Walls. U.S. Optional Memorial of Saint Rose Philippine Duchesne (1769-1852), French-born Religious of the Sacred Heart, missionary to the U.S. frontier (USCCB Liturgical Calendar 2026).
Saints Commemorated on November 18
From the USCCB 2026 Liturgical Calendar.