What is Calvinism - definition Calvinism is the religious doctrine formulated by John Calvin (1509-1564). His doctrine led to the extreme consequences of Luther's doctrine, particularly with regard to predestination. Calvinism - the birth Calvinism was born from the work of Giovanni Calvino, who consolidated his Reformation in Geneva. In Geneva, in fact, in 1541 the city council approved the ecclesiastical order; in 1542 the liturgical order and the so-called Geneva catechism; in 1559 a theological academy for the formation of shepherds was founded. Calvin exerted a considerable influence on the city of Geneva until his death (1564), making it one of the greatest centers of Christianity. Calvinism - the principles As for Luther, at the center of the life of the Christian is the Bible, source and rule of faith. - Doctrine of predestination: men are at birth destined by God for salvation or damnation; men cannot with their own strength modify this divine decree. Calvin urged his followe