Calvin did not live to see the foundation of his work grow into an international movement; but his death allowed his ideas to break out of their city of origin, to succeed far beyond their borders, and to establish their own distinct character.Although much of Calvin's work was in Geneva, his publications spread his ideas of a correctly Reformed church to many parts of Europe.Calvinism differs from Lutherans on the real presence of Christ in the Eucharist, theories of worship, and the use of God's law for believers, among other things.As declared in the Westminster and Second Helvetic confessions, the core doctrines are predestination and election. Keller, John Piper, David Wells, and Michael Horton.In the twentieth century, Abraham Kuyper, Herman Bavinck, B. Nevertheless, the term first came out of Lutheran circles.
Having established itself in Europe, the movement continued to spread to other parts of the world including North America, South Africa, and Korea.
The 1549 Consensus Tigurinus brought together those who followed Zwingli and Bullinger's memorialist theology of the Lord's supper, which taught that the supper simply serves as a reminder of Christ's death, and Calvin's view that the supper serves as a means of grace with Christ actually present, though spiritually rather than bodily.
The document demonstrates the diversity as well as unity in early Reformed theology.
In Switzerland, some cantons are still Reformed and some are Catholic.
Calvinism became the theological system of the majority in Scotland (see John Knox), the Netherlands (see William Ames, T. Frelinghuysen and Wilhelmus à Brakel), some communities in Flanders, and parts of Germany (especially these adjacent to the Netherlands) in the Palatinate, Kassel and Lippe with the likes of Olevianus and his colleague Zacharias Ursinus.