What lands did Marcus Aurelius conquer?

Answer 1

Before the reign Marcus, the Roman Empire extend its territory including the Mesopatamia,Britain and Germany.In the time of Marcus the Parthian in Mesopatamia and Armenia revolted so he tried to defeat them.He only overrun their cities but not really conquered. On the northern part the Germans and Britons also revolted but Marcus overwhelm them.He did not really new lands of the empire.