المحاضرة الرابعة
The Roman Empire converted to Christianity and spread it to Europe.
The heliocentric theory of*Nicolaus Copernicus*(1473-1543) started it
The Age of Enlightenment
It began with the publication of*Francis Bacon's*Novum Organum*(1620) and ended with*Immanuel Kant's*Critique of Pure Reason*(1781).