CELTIC was used as a first language in Britain .In AD 43 the Latin was used officially as a result of Britain being invaded by Romans. (Anglo Saon ) was the birth of the English language which was complicated .Then there was some influence by Viking such as adding some names and sounds . IN (1066-1200) English and French merged to gather. The language after that simplified. Then Modern English appear instead of Middle Language. Finally, English experienced a lot of developments, and now a lot of language changes are coming from American.
