On this date in history: In 1792, 24 brokers met in New York City and formed the New York Stock Exchange. In 1875, Aristides was the winner of the first Kentucky Derby at Churchill Downs in Louisville, Ky. In 1943, the Memphis Belle became one of the first B-17 to complete 25 missions in World War II, securing the plane and crew's reputations as rockstars. The plane was the subject of a documentary at the time and a film about the crew was made in 1990 starring Matthew Modine, Eric Stoltz and