What would we currently be without Copernicus or Darwin? What would Europe be if Churchill had not gone to war with the Nazis, or if the Fall of the Berlin Wall had not happened? A grain of sand can change the course of history. The Butterfly Effect tells us the great History through small events that changed the world.What would we currently be without Copernicus or Darwin? What would Europe be if Churchill had not gone to war with the Nazis, or if the Fall of the Berlin Wall had not happened? A grain of sand can change the course of history. The Butterfly Effect tells us the great History through small events that changed the world.