The Vigiles (or cohortes vigilum) were formed during the reign of Augustus to act as ancient Rome's permanent firefighting service. https://www.worldhistory.org/Vigiles/ #History #Augustus #CohortesUrbanae #MarcusLiciniusCrassus

The cohortes urbanae (urban cohorts) were a body of troops garrisoned at Rome, which was created by Augustus to provide additional security for the emperor and city in general. https://www.worldhistory.org/Cohortes_Urbanae/ #History #Centurion #CohortesUrbanae #RomanArmy

The Praetorian Guard (cohortes praetoriae) was, in the Roman Republic, a commander's personal bodyguard and then, in the imperial period, an elite force assigned to protect the emperor and Rome. https://www.worldhistory.org/Praetorian_Guard/ #History #Centurion #CohortesUrbanae #PraetorianGuard