The Second Battle of Tapae (101) was the decisive battle of the first Dacian War, in which Roman Emperor Trajan defeated the Dacian King Decebalus's army. Other setbacks in the campaign delayed its completion until 102.
First Battle of Tapae
Domitian's Dacian War was a conflict between the Roman Empire and the Dacian Kingdom, which had invaded the province of Moesia. The war occurred during the reign of the Roman emperor Domitian, in the years 86–88 AD. The Roman Empire lost.