Here’s an excellent and hilarious quick primer on the history of the English language, brought to you by the Open University:

As is the norm in popular language science, 100% of the examples are words and phrases, without a word said about actual structural changes (which in many ways are more significant.)  But I won’t peeve now.  For a ten-minute cartoon, this is both very informative and very funny, and I can only recommend you watch it.

(H/t J.W.!)