From Wikipedia
Rome
Episide Five
Publius Aelius Hadrianus
known as Hadrian in English; 24 January 76 – 10 July 138) was emperor of Rome from AD 117 to 138, as well as a Stoic and Epicurean philosopher. A member of the gens Aelia, Hadrian was the third of the so-called Five Good Emperors, or the second of the recently proposed Ulpio-Aelian dynasty.
Hadrian was born Publius Aelius Hadrianus in Italica or, less probably, in Rome, from a well-established family which had originated in Picenum in Italy and had subsequently settled in Italica, Hispania Baetica (the republican Hispania Ulterior), near the present day location of Seville, Spain. His predecessor Trajan was a maternal cousin of Hadrian's father Trajan never officially designated a successor, but, according to his wife, Pompeia Plotina, Trajan named Hadrian emperor immediately before his death. Trajan's wife was well-disposed toward Hadrian: Hadrian may well have owed his succession to her.

The Roman empire in 125 AD, under the rule of Hadrian.