Friedrich the Great, also known as Frederick II of Prussia, was the King of Prussia from 1740 to 1786. He is best known for his military victories, administrative reforms, and promotion of the arts and philosophy. Under his rule, Prussia became a major European power, expanding its territory through successful wars, including the Seven Years' War. Friedrich was an enlightened monarch who embraced ideas from the Enlightenment, advocating for religious tolerance and legal reforms. He corresponded with prominent philosophers like Voltaire and supported cultural advancements, making his court a center for intellectual exchange. His legacy continues to influence modern governance and military strategy.