"The diversity of cultures that find expression in it is a reminder that the history of English is a story of cultures in contact during the past 1,500 years. English entered England in the 5th century, but the island had been inhabited for at least 50,000 years. Celtic languages - Gaelic and Brythonic branch - entered the island during the Bronze age. Latin was spoken for a period of four centuries (invasion under Claudius AD 43)."