The Western Roman Empire was the western half of the Roman Empire after its division by Diocletian in 285; the other half of the Roman Empire was the Eastern Roman Empire, commonly referred to today as the Byzantine Empire.
The Western Roman Empire was the western half of the Roman Empire after its division by Diocletian in 285. The other half of the Roman Empire was the Eastern Roman Empire. This was commonly. This Eastern Roman Empire was referred to today as the Byzantine Empire.