Reformed Christianity

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Reformed Christianity is the branch of Protestantism that traces its descent from the Swiss Reformation of the early sixteenth century — from Huldrych Zwingli at Zurich and, above all, from John Calvin at Geneva. It is one of the two main families to emerge from the Protestant break with Rome, the other being the Lutheran; the names “Reformed” and “Calvinism” are used for it almost interchangeably, though the tradition is older and wider than any one man.

The split from Luther was not over the core Protestant claim that a person is justified by faith rather than by works. On that they agreed. The Reformed and the Lutherans divided over other questions, and most sharply over the Lord’s Supper: Luther held that Christ is bodily present in the bread and wine, while Zwingli and his heirs took the meal as a remembrance and a sign. The two camps met at Marburg in 1529 to settle the matter and failed, and the failure fixed a boundary that has lasted.

What gives the tradition its distinctive temper is the stress on the sovereignty of God. Reformed theology teaches that God’s will is the first cause of all that happens, and draws from this the doctrine of predestination — that salvation rests on God’s eternal choice rather than on any human merit or decision. Calvin set the system out in his Institutes of the Christian Religion, revised across his life into the most influential single work of the second Reformation generation. A later dispute in the Dutch church, settled at the Synod of Dort in 1618–19 against the followers of Jacobus Arminius, produced the points of doctrine that English writers would much later compress into the formula now remembered as the five points of Calvinism.

The tradition also reshaped worship and church order. It tended to strip the service to what it took Scripture to warrant — plain interiors, preaching at the center, congregational singing of the Psalms — and it developed forms of church government, presbyterian and congregational, that placed authority in elders and assemblies rather than bishops. From Geneva the movement spread fast: to France, where its adherents were the Huguenots; to the Netherlands; to Scotland under John Knox, where it became the established Kirk; and across the English-speaking world through the Presbyterian, Congregational, and Reformed churches, and the Puritan settlement of New England.

Reformed Christianity has long drawn attention beyond theology for its supposed worldly effects. Max Weber’s argument that the Calvinist ethic helped form the spirit of modern capitalism remains among the most debated claims in the social sciences — proposed as historical explanation, contested ever since, and easy to overstate. What is not in doubt is the tradition’s reach: a stern and closely reasoned account of God and human dependence that organized churches and shaped peoples across four continents.

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