Tossup

According to the Historia Augusta, this emperor may have killed the consul Pertinax the Younger for making a pun possibly referring to this ruler’s campaigns in Thrace. Another work claimed that this emperor tried to assassinate Artabanus IV during Artabanus’s daughter’s wedding and subsequently launched a disastrous invasion of Parthia, which ended after this emperor was killed while urinating (-5[1])by the roadside. (-5[1])Mary Beard’s SPQR (10[1]-5[1])ends with an (-5[1])edict issued (10[1])by this ruler, (10[1]-5[1])who (10[1])introduced (10[1])the “double denarius.” This ruler granted citizenship to all free (10[1])men (10[1])in the Roman Empire by (10[1])a namesake 212 edict. This emperor, who was assassinated by his praetorian prefect Macrinus, (10[2])issued a (-5[1])damnatio memoriae against his brother, Geta. (10[2])For 10 (10[1])points, (10[1])name this (10[1])son of Septimius Severus who, prior to Diocletian, built Rome’s largest bath (10[1])complex. ■END■ (10[3])

ANSWER: Caracalla [or Lucius Septimius Bassianus; prompt on Marcus Aurelius Antoninus] (Pertinax the Younger joked that Caracalla should take the title “Geticus,” which probably referred to the fact that he killed his brother and not to his campaigns against the Getae.)
<Any History>
= Average correct buzz position
Answerline and category may not exactly match the version played at all sites

Back to tossups