Celebrating Steadfast Witness: We've Come This Far By Faith. We invite you to join us for this year’s Black Catholic History Month Liturgy, which will take place Saturday, November 20 at Nativity Catholic Church! 4:30 p.m. – Praise and worship by Archdiocesan Gospel Mass Choir 5:00 p.m. – Vigil Mass Bishop Roy E. Campbell, Auxiliary Bishop of Washington will serve as principal celebrant and homilist.