The Revolt of the Batavi took place in the Roman province of Germania Inferior between AD 69 and 70. It was an uprising against the Roman Empire started by the Batavi, a small but militarily powerful Germanic tribe that inhabited Batavia, o...

Gaius Suetonius Tranquillus, commonly known as Suetonius, was an equestrian and a historian during the Roman Empire. His most important surviving work is a set of biographies of twelve successive Roman rulers, from Julius Caesar until Domit...

Hadrian was Roman Emperor from 117 to 138. In Latin, the full imperial title of Hadrian was also rendered as Tito Ael Hadriano, just as it appears in ancient epigraphic records. He re-built the Pantheon and constructed the Temple of Venus a...

Zhang Heng was a Chinese astronomer, mathematician, inventor, geographer, cartographer, artist, poet, statesman, and literary scholar from Nanyang, Henan. He lived during the Eastern Han Dynasty (AD 25–220) of China. He was educated in the...

Antoninus Pius, also known as Antoninus, was Roman emperor from 138 to 161. He was one of the Five Good Emperors in the Nerva–Antonine dynasty and the Aurelii. Born into a senatorial family, Antoninus held various offices during the reig...

Claudius Ptolemy was a Greco-Egyptian writer of Alexandria, known as a mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology. He lived in the city of Alexandria in the Roman province of Egypt...

Hegesippus was a Christian chronicler of the early Church and wrote against heresies. His works are lost, save some passages quoted by Eusebius, who tells us that he wrote Hypomnemata (Memoirs) in five books, in the simplest style concernin...

Saint Eustace, also known as Eustachius or Eustathius in Latin, St. Esthak in India, or Sh. Staka in Albania, is revered as a Christian martyr and soldier saint. Legend places him in the 2nd century AD (died AD 118). A martyr of that name i...

Pausanias was a Greek traveler and geographer of the 2nd century AD, who lived in the times of Hadrian, Antoninus Pius and Marcus Aurelius. He is famous for his Description of Greece, a lengthy work that describes ancient Greece from firsth...

Marcus Antoninus the Philosopher, Roman Emperor from 161 to his death in 180. It is this quality of Marcus' character which has made him a unique figure in Roman history, since he was the only emperor whose life was molded by, and devoted t...

Aelius Galenus or Claudius Galenus, better known as Galen of Pergamum (modern-day Bergama, Turkey), was a prominent Roman physician and philosopher of Greek origin, and probably the most accomplished medical researcher of the Roman period....

Septimius Severus, also known as Severus, was Roman emperor from 193 to 211. Severus was born in Leptis Magna in the Roman province of Africa. As a young man he advanced through the cursus honorum—the customary succession of offices—under t...

Commodus was Roman Emperor from 180 to 192. He also ruled as co-emperor with his father Marcus Aurelius from 177 until his father's death in 180. His name changed throughout his reign; see changes of name for earlier and later forms. His ac...

According to the Christian father Origen, Celsus was a 2nd-century Greek philosopher and opponent of Early Christianity. He is known for his literary work, The True Word, which survives exclusively in Origen's quotations from it in Contra C...

Ardashir I or Ardeshir I, also known as Ardashir the Unifier, was the founder of the Sasanian Empire. He was the ruler of Estakhr since 206, subsequently Pars Province since 222, and finally "King of Kings of Sasanian Empire" in 224 with th...