Horn was first past the post but was disqualified and place second for interference in the straight and Royal Fillet was declared the winner. See also Road to the Kentucky Oaks List of American and Canadian Graded races References Fair Grounds Race Course Flat horse races for three-year-old fillies Graded stakes races in the United States Horse races in New Orleans Horse racing Recurring sporting events established in 1966 1966 establishments in Louisiana Grade 2 stakes races in the United States