Moreover, the definition of the species and that of the genus are applicable to the primary substance, and that of the genus to the species. View in context Moreover, the goods and merchandise for the Indian trade ought to have brought three times the amount for which they were sold.
The answer most often given is about 500 years, or from 31BCE - 476CE. The ending of the Roman Empire is just an arbitrary date, usually the year of the first sacking of Rome by barbarians. However, Roman emperors still continued to rule for many years after this. In addition, the Eastern Roman Empire continued for almost another thousand years. The Roman Empire.
It was the Senate that appointed a consul to rule the Roman Republic as an emperor for one year. The Roman Republic lasted for 482 years (510 BC -23 BC) until a series of civil wars caused its insurrection into the Roman Empire with a Principate form of government.