The political faction that Sigmar Heldenhammer is the patron deity of is based on what real-world empire?
The Empire (Warhammer) In Games Workshop's "Warhammer Fantasy" fictional universe, The Empire is one of the human political factions and armies, and is featured in many games and novels. In terms of location, language, culture, and society, it is clearly based on the real-world medieval Holy Roman Empire.
Dagobert IX Emperor Dagobert IX is a fictional character from Isaac Asimov's "Foundation and Empire". He is one of the last emperors of the Galactic Empire (it is unlikely he was the last, since that would have required him to live to the age of approximately 120).