Charles V, Holy Roman Emperor (1500–1558), the first ruler of an empire where the sun never set, has traditionally attracted considerable scholarly attention and also raises controversies among historians regarding his character, his rule and achievements (or failures) in the countries in his personal empire, as well as various social movements and wider problems associated with his reign. Historically seen as a great ruler by some or a tragic failure of a politician by others, he is generally seen by modern historians as an overall capable politician, a brave and effective military leader, although his political vision and financial management tend to be questioned. Some criticize his inability to create or apply a consistent vision, while others defend him on the basis of the unprecedent