The Holy Roman Emperor was the ruler of the Holy Roman Empire. In 800, Pope Leo III crowned Charlemagne as emperor. (PROSE: The Lonely Computer) Maximilian I was the Holy Roman Emperor in 1504. (AUDIO: The Ghosts of N-Space) In an alternate timeline in which all of history occurred at once, Winston Churchill was the Holy Roman Emperor. (TV: The Wedding of River Song) Retrieved from "https://tardis.fandom.com/wiki/Holy_Roman_Emperor?oldid=2885100" Categories: Titles and offices from the real world + cat Cancel Save Community content is available under CC-BY-SA unless otherwise noted.