138
| Years: 134 135 136 137 – 138 – 139 140 141 142 | |
| Decades: 100s 110s 120s – 130s – 140s 150s 160s | |
| Centuries: 1st century – 2nd century – 3rd century | |
Events
- February 25 – Roman emperor Hadrian adopted Antoninus Pius on condition that Antonius would adopt Marcus Annius Aurelius Verus.
- July 10 – Antoninus Pius succeeds Hadrian as Roman emperor
- Zhi becomes emperor of the Han Dynasty in China.
Births
Deaths
- July 10 – Hadrian, Roman emperor, died at Baiae
- Zenobius – Greek sophist who taught rhetoric at Rome
Categories: 138