The BBC have produced a 60 second clip looking back at key points in its history
From the beginning of radio transmissions in 1922 to the start of TV, first colour transmissions and on to iPlayer this clip takes you through some of the defining moments in BBC history. We can't embed the videos so here are the links to the BBC website:
http://www.bbc.co.uk/programmes/p016bd69
There is also a behind the scenes look at how the clip was conceived and put together
http://www.bbc.co.uk/programmes/p016bc6y
And even an interactive tiemline of all the key points:
http://www.bbc.co.uk/historyofthebbc/wherenext/