Original Source: The History of English In Ten Minutes: http://www.open.edu/openlearn/history-the-arts/culture/english-language/the-history-english-ten-minutes?track=378501f80b
Cultural English
Slangs Vs Accents
British Vs American Slangs: Hugh Laurie on Ellen https://www.youtube.com/watch?v=wYmrg3owTRE
English in 24 Accents https://www.youtube.com/watch?v=dABo_DCIdpM