Acceptance of decapitation by simple machine into law

Guillotin's articles were fairly controversial, as the rights of criminals and their families had not previously been considered. They were accepted over the course of several years, with 'decapitation by simple machine' finally accepted on 3 June 1791, and his proposals became law on 20 March 1792. In 1791 the National Assembly researched a new method to be used on all condemned people regardless of class, consistent with the idea that capital punishment's purpose was simply to end life rather than inflict unnecessary pain.