On this day: February 18

POSTED: 03:45 AM MST Feb 17, 2013    UPDATED: 12:00 AM MST Feb 18, 2013 
Elm Farm Ollie, first cow to fly

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.