On this day: June 21

Published: Jun 20 2013 03:10:40 AM EDT   Updated On: Jun 21 2013 02:00:00 AM EDT
first Ferris Wheel, 1893 Chicago Columbian Exposition

The first Ferris Wheel opens in Chicago, Lou Gehrig retires, Johnny Cash releases his first single, the WNBA begins play, and a TV icon and a blues legend both die, all on this day.