- Ts'ai Lun invents paper.
- Pope Alexander I succeeds Pope Evaristus.
- Trajan starts the second expedition against Dacia.
- Legio XXX Ulpia Victrix and Legio II Traiana fortis are created by Trajan.
- Last year (17th) of yongyuan era and start of yuanxing era of the Chinese Eastern Han Dynasty.
- Change of Patriarch of Constantinople from Patriarch Plutarch to Patriarch Sedecion.
- The Romans conquer Kerak from the Nabateans.