Frederick the Beautiful, also known as Frederick II of Prussia, was a notable ruler in the 18th century. He reigned from 1740 to 1786 and is remembered for his military successes and efforts to modernize his kingdom. Frederick was a patron of the arts and philosophy, promoting the ideas of the Enlightenment. He was known for his impressive architectural projects, including the construction of Sanssouci Palace in Potsdam. Frederick's reign is often characterized by his commitment to religious tolerance and his interest in agricultural reforms, which helped improve the economy of Prussia.