why do we celebrate Trinity Sunday Archives - Full-of-Grace

Toward Self-Disclosure – Trinity Sunday Year A – Resources

Trinity Sunday exists because of false gods. It was born in the fourth century when the Church faced a crisis – a theologically tidy Christ who didn't quite go all the way – and responded not with a better argument but with a feast. Every year on this Sunday the Church does what God did on Sinai: parades, calls out the Name, and asks whether we know what we are holding. Four free resources for the Solemnity of the Most Holy Trinity, Year A (May 31, 2026): biblical background, embodied Sunday experience, prayer of the faithful, and this overview of where we are and why it matters.