Complex sentence: In AD 85, the Dacians swarmed over the Danube and pillaged Moesia and initially defeated the army that Emperor Domitian sent against them, but the Romans were defeated in the Battle of Tapae in 88 and a truce was established.
Split into simpler sentences: In AD 85, the Dacians swarmed over the Danube and pillaged Moesia and initially defeated the army that Emperor Domitian sent against them. The Romans were defeated in the Battle of Tapae in 88 and a truce was established.