What was the duration of the 'Augustan period' in English literature?

Augustan Age was the period after the Restoration era to the death of Alexander Pope (1702-1745).
- This age is called 'Augustan Age' because the writers of this period imitated the style and elegance of the writers who wrote in Italy during the reign of Emperor Augustus.
[Source: An ABC of English Literature by Dr. M. Mofizar Rahman.]