The changing of a chief to a duke in the Holy Roman Empire around a century later is seen as a milestone in constitutional law.
In 1231 the Emperor Frederick II had to concede dukedom laws to the Reich dukes at the Reichstag in Worms.
It restricted the right to feud and limited the number of prince electors while denying the pope any sort of influence on legislative matters.
This new Reich law set the foundation for the position and development of the Catholic church in the Holy Roman Empire over the following years.
The fourth Imperial Constitutional Law was the perpetual peace act which was published in the Reichstag in Worms on the 7th August 1495.
Through this foundational new law the right to feud was also prohibited, which had been commonly allowed up until then in order ton push through a nationwide monopoly on the use of force for the state.
The Peace of Westphalia was an agreement which was made after the ratification bill had been exchanged in 1694 and was established as the eternal fundamental law of the Reich.
Many territorial changes and local sovereignty were put into effect with this contract, while Reformed Christianity was declared a fully fledged religious denomination.
[1][2] The constitution of the German Empire under Bismarck secured the legislative powers of the Reich in the following areas so laws could be passed:[3] In many of these areas the legislative powers of the Reich did not apply in Bavaria, which had the right to pass its own laws.