Among the literary periods given below which one is the last?

The Augustan Period was from 1700 - 1745.
The Restoration Period was from 1660 - 1700.
The Edwardian Period was from 1901 - 1910.
The Commonwealth Period was from 1649 - 1660.

So, among the literary periods The Edwardian Period is the last one.
The Edwardian Period belongs to The Modern Period.
The Restoration Period and The Augustan Period belong to The Neo-Classical Period.
The Commonwealth Period belongs to The Renaissance Period.

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