It happened at the Audubon Ballroom as he was making a speech—Ironically, Malcolm X and Dr. Martin Luther King were the same age when they died. And that answer to an upset stomach, Alka Seltzer–that plop, plop fizz fizz that brings relief first showed up in 1931–interestingly enough during the depression. Find the interesting tidbits in today’s History Notes.

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02-21-13 Day In History