Diet of Speyer (1529)

Speyer, an imperial city on the Rhine in southwestern Germany, hosted a decisive meeting of the Holy Roman Empire in the spring of 1529. Emperor Charles V was absent; his brother Ferdinand presided. The central question was whether the Empire would enforce the Edict of Worms (1521), which condemned Martin Luther and aimed to suppress the evangelical movement, or whether the measured toleration granted at Speyer in 1526 would continue.

The Protest (Protestatio)

On April 19, 1529, evangelical princes and representatives of fourteen free cities lodged a formal Protest against a majority decision that would have restrained reform and tightened enforcement of Worms. Leading signers included Elector John of Saxony (“the Steadfast”), Landgrave Philip of Hesse, Margrave George of Brandenburg-Ansbach, Duke Ernest of Brunswick-Lüneburg, and Prince Wolfgang of Anhalt, joined by cities such as Strasbourg, Nuremberg, and Ulm.

Their protest was not mere politics. It was a confession that Christ rules the conscience through His Word, and that spiritual truth cannot be settled by counting votes. They argued that when human commands contradict God’s commands, obedience belongs to God. “But Peter and the other apostles replied, ‘We must obey God rather than men.’” (Acts 5:29)

Courage, Conscience, and Christian Liberty

The risk was real: loss of lands, imperial sanctions, and even war. Yet they stood publicly, not claiming perfection, but seeking faithfulness. Their appeal to Scripture also defended a vital principle: minorities must not be crushed when they are bound to what God has spoken. This was a stand for orderly government under God, and for the sacred responsibility of leaders to protect the preaching of the gospel and the right worship of God.

Their testimony echoed the freedom Christ gives to His people: “It is for freedom that Christ has set us free. Stand firm, then, and do not be encumbered once more by a yoke of slavery.” (Galatians 5:1)

Legacy: “Protestant”

From this Protest the name “Protestant” took root—signifying not a love of strife, but a willingness to suffer loss rather than surrender the truth. The Protest of Speyer remains a landmark moment of steadfast faith, principled courage, and a conscience captive to God’s Word.