Kingdom of Westphalia
The Constitution of the Kingdom of Westphalia, was adopted by the Kingdom of Westphalia in 1807, following the pattern of the other Napoleonic States. The Constitution of the Kingdom of Westphalia is the oldest constitution in Germany. It was modeled on the constitutions of other Napoleonic States (e.g., the highest organization of the patent Constitution of the Grand Duchy of Frankfurt). The Constitution was by royal decree dated on 7 December 1807 and enacted in law bulletin.