This league constantly grew by the admission of new members, but some attempts to unite with the Swiss proved abortive.
On January 5, 1531, Ferdinand was elected King of the Romans--the title taken by the heir to the Empire--by six of the electors against the vote of Saxony.

Three months later when the time granted the Lutherans expired, the Catholics were unable to do anything, and negotiations continued.

[Sidenote: July 23, 1532] These resulted in the Peace of Nuremberg, a truce until a general council should be called.

It was an important victory for the Lutherans, who were thus given time in which to grow.
The seething unrest which found expression in the rebellion of the knights, of the peasants and of the Anabaptists at Muenster, has been described.

One more liberal movement, which also failed, must be mentioned at this time.