On this day: February 18

Published On: Feb 17 2013 05:45:58 AM EST   Updated On: Feb 18 2015 02:00:00 AM EST

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.

1 / 39
Julian Finney/Getty Images

2013: Tennis player Serena Williams becomes the Women's Tennis Association's world No. 1 for the sixth time in her career. By regaining the ranking at the age of 31, she became the oldest No. 1 player in WTA history. She retained the No. 1 ranking throughout 2013 and 2014 and into 2015, raising the record to age 33.




Mental Health