Romulus Augustus was the first emperor of the Roman Empire. He reigned from 27 BC until his death in 14 AD, ending the period of civil wars in the Roman Republic and establishing over two centuries of peace and prosperity known as Pax Romana. As emperor, he implemented important political, financial, and religious reforms. He also initiated major construction projects that transformed the appearance of Rome. His accomplishments included establishing a standing professional army, developing an effective tax system and monetary reforms, and making Rome the center of art and literature.