Rome (238) — the same event in Herodian, History of the Empire and Historia Augusta

Herodian, History of the Empire: Praetorians storm the palace, tear the clothing of the two old emperors, mutilate their bodies, kill them and leave…

What each source says

Herodian, History of the Empire · AD 238 · Rome

Praetorians storm the palace, tear the clothing of the two old emperors, mutilate their bodies, kill them and leave them in the street.

Location: 8.8

Herodian, History of the Empire · AD 238 · Rome

The praetorians hail the boy Gordian as emperor and shout to the citizens that they had "only removed the two they disliked."

bawling out aloud to the People;
Location: 8.8

Historia Augusta · AD 238 · Rome

It is decided that Maximus will campaign against Parthia and Balbinus against the Germans, but the soldiers acclaim the young Gordian Augustus and go to the camp

inter haec Gordianus Caesar sublatus a militibus imperator est appellatus (id est Augustus), quia non erat alius in praesenti, insultantibus militibus senatui…
Location: Max. Balb. 13.5, 14.7

Historia Augusta · AD 238 · Rome

Maximus and Balbinus are killed in a soldiers' riot and Gordian III becomes Augustus (the HA says they reigned two years)

Location: Gord. 22.5

Place: Rome

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