138 in history

138 events chronologically

Feb 25 The Roman emperor Hadrian adopts Antoninus Pius, effectively making him his successor
Jul 10 Emperor Hadrian dies after a heart failure at Baiae; he is buried at Rome in the Tomb of Hadrian beside his late wife, Vibia Sabina

Died in 138

Jan 1 Lucius Aelius Caesar became the adopted son and intended successor of Roman Emperor Hadrian , but never attained the throne. Aelius was born with the name Lucius Ceionius Commodus, and later called Lucius Aelius Caesar. He is often mistakenly referred to as Lucius Aelius Verus, though this name is not attested outside the Augustan History and probably arose as a manuscript error
Jul 10 Hadrian Roman Emperor from 117 to 138. He re-built the Pantheon and constructed the Temple of Venus and Roma. He is also known for building Hadrian's Wall, which marked the northern limit of Roman Britain. Hadrian was regarded by some as a humanist and was philhellene in most of his tastes. He is regarded as one of the Five Good Emperors