The duration of 'The Middle English Period' is 1066 to 1500.
It has three parts-
1. The Anglo-Norman Period
2. Age of Chaucer
3. Barren Age
Some literary features are-
-Poetry serves as the main genre in The Middle English Period.
-Prose in English gets a strong foundation.
-The spirit of romance dominates the age.
Source: An ABC of English Literature - Dr M Mofizar Rahman