"The mystery of the Most Holy Trinity is the central mystery of Christian ... came to recognize and receive the Symbol of 381. The use of this formula in the Creed was gradually admitted into ...

That simple but so important Sign of the Cross we see so often holds a hidden history that takes us back to the origins of ...

The feast of the Holy Trinity, which is celebrated on the Sunday after Pentecost, was established for the whole Western Church in 1134 by pope John XII. The Angelic Trisagion is said for the three ...

The patron saint of Ireland, Saint Patrick, used the shamrock as a symbol to explain the Holy Trinity when he was converting ...