On this weekend that we celebrate the life and legacy of Dr. Martin Luther King and the presidential inauguration, there is a bit of history of note– it was on this day in 1993 that the federal holiday was celebrated in all fifty states for the very first time. This is also the day a song about friendship–sung by four super stars–went to the top of the charts. Do you remember what it was? Find out in today’s History Notes.

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01-18-13 Day In History