Who were Three enlightened monarchs during the eighteenth century were?

Three notable enlightened monarchs of the eighteenth century were Frederick the Great of Prussia, Catherine the Great of Russia, and Joseph II of Austria. Frederick the Great implemented various reforms in education, legal systems, and religious tolerance, while Catherine the Great expanded Russian territory and promoted Westernization and the arts. Joseph II is known for his ambitious reforms aimed at modernizing Austria, including religious toleration and the abolition of serfdom. These monarchs sought to apply Enlightenment ideas to governance, balancing autocratic rule with progressive social policies.