Twenty-fourth Amendment is ratified

Over twenty years after Atlanta textile worker "Mr. Trout" lamented his inability to vote to a WPA interviewer, collection of poll taxes in national elections was prohibited by the January 23, 1964, ratification of the Twenty-Fourth Amendment to the Constitution. Passage of the amendment affected voting in Alabama, Mississippi, Arkansas, Texas, and Virginia.

http://memory.loc.gov/ammem/today/jan23.html