Twenty five years ago, or thereabouts, on 20th January 1986, the US celebrated Martin Luther King Day for the first time as a federal holiday.
Civil rights activist Martin Luther King's "I have a dream" speech has a place in history as one of the most moving speeches ever made. If you have time, it's worth watching the whole thing:
If you don't have time, those nice people at the BBC have a copy in full here.
I also found this site, which has 5 things you may not know about Dr King, really interesting. I particularly liked this quote: