Only 11 horses have accomplished the Triple Crown, with the most recent being Affirmed in 1978.
Jockey: Steve Cauthen, who is seen here singing a picture of himself on Affirmed before the 2013 edition of the Kentucky Derby
Daniel Berehulak/Getty Images
English settlers make their first landing in North America, John Wilkes Booth is shot and killed, an explosion rocks the Chernobyl Nuclear Power Plant, and Lucille Ball dies, all on this day.
No email address was supplied by
To complete your registration on this site, please supply an address.
Please confirm or modify the email address to which you will have subscription offers sent.
For a more personalized experience, please supply the following optional information.