The Middle English period began after the Norman Conquest of 1066, when William the Conqueror invaded England. This brought many French words into the English language and made French the official language, though common people still spoke English. Over time, as English people fought against French rule in the Hundred Years' War, English reemerged as the dominant language in England once again.
2. The Middle English begins with the key event Norman Conquest of
England.
The conqueror, William Duke, invades England bringing new
concepts and adding French words to English language.
French was compulsory for official business.
Latin was still used in church but common man spoke English to be
able to communicate only by speaking more slowly or loudly and
to be understood.
3. Norman Conquest (1066) brought many linguistic changes.
French is the official language in England, affected English
vocabulary and speaking.
The grammar of English was radically transformed.
Educated people needed to be trilingual in French, Latin and
English.
It was flourishing period for English Literature.
Geoffrey Chaucer was an important writer in this period.
4. The English nation invaded armies, navies, soldiers and began the
Hundred Year War against France.
It lasted 116 years.
No one gave importance to French.
As a result, English became dominant language in England.