‘The Augustan Age’ is also known as -

The Neoclassical Period was the fourth English Literary Period.
The duration of the period was - 1660 to 1785.

This period was divided into 3 sub-period which are as follows:
1. The Restoration Period (1660 - 1700)
2. The Augustan Period or The Age of Pope (1700-1745)
3. The Age of Sensibility or The Age of Johnson (1745 - 1785)

Source: An ABC of English Literature by Dr. M Mofizar Rahman.