More Than 1,800 Priests Celebrate Holy Thursday Chrism Mass at Vatican April 17, 2025 by Kateri More than 1,800 priests gathered with cardinals and bishops at St. Peter’s Basilica for the Holy Thursday Chrism Mass, April 17, 2025. Holy Thursday marks the institution of the Eucharist and the sacrament of the priesthood at the Last Supper. Read More