Holy Trinity Church recently issued the following announcement.
The Legion of Mary – Celebrate our 100th Anniversary!
All parishioners are invited to join in celebrating the 100th Anniversary of the Legion of Mary with a Mass of Thanksgiving at the Cathedral Basilica of Sts. Peter and Paul, 18th Street & Benjamin Franklin Pkwy, Philadelphia on Saturday, September 11th at 1:00PM with Most Rev. John McIntyre, principal celebrant, and Rev. Hugh Gillespie SMM, homilist. Before Holy Mass, the Rosary and Legion prayers will be recited at 12:30PM.
Original source can be found here.