Democracies can be either republics or constitutional monarchies. Many democracies are constitutional monarchies, such as the United Kingdom. Constitutions became important in defining the public virtue of republics and constitutional monarchies. Some states are constitutional monarchies with elected parliaments. They had monarchies and democracies for comparison. The political influence of monarchism in former European monarchies is very limited. Both countries are constitutional monarchies and Commonwealth realms. A monarch can reign in multiple monarchies simultaneously. The English Throne is one of the oldest continuing hereditary monarchies in the world. The position of hereditary constable persists in some current or former monarchies of Europe. He even created a nobility class in the fashion of European monarchies. The Ottoman Dynasty had unusual succession practices compared to other monarchies. The succession order is determined by primogeniture in most European monarchies. The majority of current monarchies are constitutional monarchies. Europe's remaining eleven monarchies are constitutional.