Claim: English language is influenced by migration.
Evidence: The earliest forms of English , a set of Anglo-Frisian dialects brought to Great Britain by Anglo-Saxon settlers in the fifth century , are called Old English.
It was brought to Great Britain by Anglo-Saxon settlers probably in the mid 5th century , and the first Old English literary works date from the mid-7th century.
The Anglo-Frisian languages is the group of West Germanic languages that includes Anglic and Frisian.