Answer:
the Enlightenment
Step-by-step explanation:
The Enlightenment occurred last, during the 18th century. It was a philosophical movement led by thinkers such as John Locke, Voltaire, and Jean-Jacques Rousseau.
The Reformation occurred in the 16th century, the Reinaissance between the 14th and 15th century, and the Middle Ages lasted from the 5th century to the 15th century.