Jefferson Davis becomes the president of the Confederacy, Pluto is discovered, a cow flies, the first Church of Scientology is formed, the Chicago Seven are found not guilty, and Dale Earnhardt dies at the Daytona 500, all on this day.
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Library of Congress
1922: Author and publisher Helen Gurley Brown, who wrote the bestseller "Sex and the Single Girl" in 1962 and was the editor-in-chief of Cosmopolitan magazine from 1965 to 1997, is born in Green Forest, Ark.