Philipp Melanchthon, Martin Luther, and Justus Jonas had already drafted a statement of their theological views in the Articles of Schwabach in 1529,[1] when on 21 January 1530, Emperor Charles V issued letters from Bologna, inviting the Imperial Diet to meet in Augsburg on 8 April for the purpose of discussing and deciding various important questions.
Landgrave Philip of Hesse hesitated to attend the diet, but the Elector John of Saxony, who received the writ 11 March, on 14 March directed Martin Luther, Justus Jonas, Johannes Bugenhagen and Philipp Melanchthon to meet in Torgau, where he was, and present a summary of the Lutheran faith to be laid before the Holy Roman Emperor at the diet.
Several alterations were suggested to Melanchthon in his conferences with Jonas, the Saxon chancellor Christian Beyer, the conciliatory Christopher von Stadion, bishop of Augsburg, and the imperial secretary Alfonso de Valdes.
[2] On 23 June, the final form of the text was adopted in the presence of the Elector John of Saxony, the Landgrave Philip of Hesse, the Margrave George of Brandenburg, the Dukes Ernest and Francis of Lüneburg, the representatives of Nuremberg and Reutlingen, and other counselors, besides twelve theologians.
After the reading, the confession was signed by the Elector John of Saxony, Margrave George of Brandenburg, Duke Ernest of Lüneburg, the Landgrave Philip of Hesse, the Prince Wolfgang of Anhalt, the representatives of Nuremberg and Reutlingen, and probably also the electoral prince John Frederick and Duke Francis of Lüneburg.
In order to exclude the people, the little chapel of the episcopal palace was appointed in place of the spacious city hall, where the meetings of the diet were held.
The two Saxon chancellors Christian Beyer and Gregor Brück, the former with the plain German copy, the other in traditional Latin language, against the wish of the emperor stepped into the middle of the assembly.
[2] The first official publication (Editio princeps) was edited by Philipp Melanchthon, a professor at the University of Wittenberg and a close colleague and friend of Martin Luther.
In September, Charles V declared the response to be sufficient and gave the Lutheran princes until 15 April 1531 to respond to the demands of the Confutation.
The Lutheran princes at the diet concurrently agreed to a military alliance in the event of action by Charles V known as the Schmalkaldic League.
The real reason was that Christian wanted to kill two birds with one stone: carrying through a Lutheran Reformation and confiscating the bishops' properties, the profits from which was needed to cover the expenses of the recently ended civil war.