1875 – Hal Price McGrath’s Aristides wins the first Kentucky Derby with Oliver Lewis aboard for trainer Ansel Williamson. The first Derby is run at 1 1/2 miles.
1882 – Apollo wins the Derby without having run as a 2-year-old. No other horse would accomplish that feat – “the curse of Apollo” – until Justify 136 years later.
1913 – Donerail takes the Derby at a shocking 91-1, to this day the longest odds ever for a Kentucky Derby winner.