I think the first one is Octavian and the second one is Trajan.... but I'm not completely sure but I just looked it up and thats what I got.
The correct answer is the following:
The Pax Romana began around 30 BCE with the rise of Caesar Augustus as leader of Rome and ended around 180 CE with the death of Emperor Marcus Aurelius. "Pax Romana" is an allusion of the peace and stability that the period of time presented, it was inaugurated by Augustus because it represented the ending of the War of the Roman Republic and it is ended by the death of what is considered the last "good Roman Emperor". During the 206 years that the Pax Romana lasted, the Rome Empire reached its greatest territorial expansion.
