Praetorian Guard: Timeline

21   Construction of a barracks for the Praetorian Guard on the Quirinal.

31   Naevius Sutorius Macro Naevius Sutorius Macro

[i] [[Praetorian Guard]... 

 becomes the leader of the Praetorian Guard after Sejanus is executed.

41   Caligula, known for his eccentricity and cruel despotism, is assassinated by his disgruntled Praetorian Guards.

97   Roman emperor Nerva Nerva

Marcus Cocceius Nerva was a Roman Emperor [i]. ... 

 named Trajan Trajan

Marcus Ulpius Nerva Traianus , Roman Emperor [i] , commonly called , was the second of th ... 

 as his adoptive son and successor. By doing so he also averted a threatened mutiny of the Praetorian Guard and other military units.

193   Roman Emperor Roman Emperor

"Roman Emperor" is the term historians use to refer to rulers of the Roman Empire [i], after the epoch c ... 

 Pertinax Pertinax

Publius Helvius Pertinax, short-lived Roman emperor.... 

 is assassinated by members of the Praetorian Guard, who then sell the throne in an auction to Didius Julianus Didius Julianus

Marcus Severus Didius Julianus was emperor of the Roman Empire [i] from 28 March [i] until 1 June [i] 193 [i] ... 

.

217   Caracalla Caracalla

Caracalla was Roman Emperor [i] from 211 [i]–217 [i]. ... 

 is assassinated (and succeeded) by his Praetorian Guard prefect Prefect

---- A prefect is an official of various different types. ... 

, Marcus Opellius Macrinus. Macrinus, of Mauritania Mauritania

Mauritania , officially the Islamic Republic of Mauritania, is a country in northwest Africa [i]. ... 

, becomes the first equestrian Roman Emperor.

222   Elagabalus Elagabalus

Elagabalus or Heliogabalus , born Varius Avitus Bassus and also known as Varius Avitus B... 

 is assassinated, along with his mother, Julia Soemias, by legionaires during an inspection. Their bodies are thrown in the Tiber by the Praetorian guard.

228   The Praetorian guard kill Ulpian, Praetorian prefect Praetorian prefect

Praetorian prefect was the constant title of a high office in the Roman [i] state that chan ... 

, who had wanted to reduce their privileges.