Dealing with history of English Language: "How did English evolve?-Kate Gardoqui."

Here is a very interesting link to a video dealing with History of English Language  by Kate Gardoqui  ed.ted.com, shared with Interlingua Events, événementiel multilingue. We'd like to share it  with you, since it's worth visiting and watching to learn in a simple way how English Language evolved.
Ana Isabel Ferreirós Rey.
 http://ed.ted.com/lessons/how-did-english-evolve-kate-gardoqui