Earlier, he killed his brother Geta so that he could rule alone.
He died due to a coup led by the head of his Praetorian Guard, Macrinus. Remembered in part for his sumptuous baths whose impressive remains can still be seen in Rome, he promulgated the constitutio Antoniniana, which made virtually all the free men in the Roman Empire full citizens. Earlier, he killed his brother Geta so that he could rule alone. FTP, name this son of Septimius Severus named for the long, flowing cloak he preferred to wear.
He died due to a coup led by the head of his Praetorian Guard, Macrinus.
Caracalla or Marcus Aurelius Antoninus