In another great example of the benefits of Public History, British Pathe have uploaded 85,000 historical films to YouTube (that's over 3,500 hours of footage!) A Heritage Lottery Fund grant, given in 2002, was instrumental for experts to digitise the collection. The films range in date from 1896 to 1976 and include Emily Davison's tragic stunt at the Derby in 1913, the Hindenburg Disaster and Martin Luther King's "I have a dream" speech. There is a wealth of information here, and this project should be praised for its cultural and historical significance.
This is one of my favourites - Men building the Empire State Building, NY, 1930. https://www.youtube.com/watch?v=vcq2HzadZRw&list=PL3kG3TM8jFKhYvJWIjqMbyydtwj6aZnig
I need to dedicate a day watching some of these. Fantastic stuff.