the start of the Protestant Reformation, the hammer blows upon a Wittenberg door waking many within the church from slumber. The commencement of the Council of Trent in 1545 is viewed as a definitive moment in the Catholic Reformation, or Counter Reformation. The aim of this essay is to explore the 1545 Council of Trent, via the background to its convocation, briefly looking at the proceedings of its stages and finally assessing its theological response to the Protestant Reformation. For many years