Historia disparatada de la monarquía

Whether you don't miss a royal parade or you're a staunch Republican, you probably know a lot of random facts about kings and queens. But do you know how the monarchy has survived to this day? Monarchies. The most entrenched and resistant institution in history. There is no continent on Earth that has not had a big boss who has called himself "king" or "queen" (in their respective languages), who for millennia has decided the fate of millions of lives. But how did you get it?