Events in History Assassination Apr 8 Roman Emperor Caracalla is assassinated (and succeeded) by his Praetorian Guard prefect, Marcus Opellius Macrinus. Roman EmperorCaracalla Deaths in History Caracalla Apr 8 Caracalla, Roman emperor (198-217), murdered at 29 Roman EmperorCaracalla Share On Facebook Share On Twitter 214 AD On This Day in History 218 AD