Today is Martin Luther King, Jr. Day. This date is a United States federal holiday marking the birthday of Rev. Dr. Martin Luther King, Jr. It is observed on the third Monday of January each year, which is around the time of King's birthday, January 15.
Here are some links to webpages about Martin Luther King:
Video MARTIN LUTHER KING'S FREEDOM SPEECH "I HAVE A DREAM":
This year's Martin Luther King's Day was also the day of Barack Obama's second Presidency inauguration, whose speech you can listen to in this video: