Revolutionary Revolutions: Changes of the Early Modern Era The period roughly encompassing the 15th Century to the late 19th Century, involved change on an unprecedented scale in nearly all aspects of life and in nearly all corners of the world. These changes impacted religion, political systems, ideologies, technology, economic trade, and much more. Many of them originated in one part of the world but spread across the globe and all eventually had international consequences. It is no great leap to state that the impacts of these movements, albeit centuries ago now, still have an impact on our modern world.