April 26, 1853: En route to becoming England's first Triple Crown winner, West Australian won the 2,000 Guineas, the first of three races that comprise England's Triple Crown.
May 17, 1875: America's oldest continuously held sporting event, the Kentucky Derby, was first run. The race was won by Aristides, who was ridden and trained by African Americans Oliver Lewis and Ansel Williamson, respectively. The day marked the opening of Churchill Downs; an estimated 10,000 spectators witnessed the first Derby.
May 13, 1891: Kingman, the only African American-owned horse to win the Derby, did so with jockey Isaac Murphy in the irons. Kingman was owned and trained by African American Dudley Allen. The win gave jockey Isaac Murphy back-to-back Derby victories and made him the first jockey to win three Derbies.
May 11, 1892: African American jockey Alonzo Clayton, age 15, became the youngest rider to win the Kentucky Derby when he guided Azra to victory in the 18th running of the Derby.
May 6, 1895: African American jockey James 'Soup' Perkins guided the favorite Halma to a wire-to-wire victory in the 21st running of the Kentucky Derby. Perkins, who was 15, joined fellow African American jockey Alonzo Clayton as the youngest jockey to ride a Derby winner.
May 6, 1896: African American jockey Willie Simms guided Ben Brush to victory in the 22nd Kentucky Derby, the first time the race was run at 1 1/4 miles. Two years later, Simms would win the Derby aboard Plaudit, giving him a perfect record in the Kentucky Derby: two wins in two attempts.
May 3, 1902: Jockey James Winkfield, the last African American rider to win the Kentucky Derby, won his second consecutive Derby aboard Alan-a- Dale.
May 2, 1904: Laska Durnell became the first woman to own a Kentucky Derby starter and winner when longshot Elwood took the 30th Run for the Roses. Elwood, the only Missouri-bred to win the Kentucky Derby, was also the first Derby winner to be bred by a woman, Mrs. J.B. Prather.
May 8, 1915: H.P. Whitney's Regret became the first filly to win the Kentucky Derby, 40 years after the race's inception in 1875.
April 26, 1916: The first Triple Crown winner, Sir Barton, was foaled at Hamburg Place, Lexington, KY.
May 12, 1917: Omar Khayyam became the first foreign-bred horse to win the Kentucky Derby. He was bred in England.
May 10, 1919: Sir Barton won the Kentucky Derby after being winless in six tries. Four days later, on May 14, he won the Preakness Stakes, and on June 11, he became the first Triple Crown winner after capturing the Belmont Stakes.
May 16, 1925: The first network radio broadcast of the Kentucky Derby aired from WHAS in Louisville.
May 6, 1933: In the 'fighting finish' to the Kentucky Derby - before the advent of photo-finish cameras and video patrol - jockey Don Meade on Brokers Tip, and Herb Fisher, on Head Play, pushed, hit, tugged and jostled each other to the finish line at Churchill Downs. Brokers Tip was declared the winner, by a margin of two or three inches.
May 2, 1934: Future Triple Crown winner War Admiral was foaled at Faraway Farm, Lexington, KY.
May 5, 1934: Brookmeade Stable's Cavalcade won the Kentucky Derby, his third victory in a span of less than two weeks.
May 8, 1937: Mary Hirsch, daughter of Max Hirsch, who had conditioned 1936 Kentucky Derby winner Bold Venture, became the first woman trainer to saddle a runner in the Kentucky Derby. The horse, No Sir, who was also owned by Miss Hirsch, finished 13th in a field of 20.
May 7, 1938: The Kentucky Derby Glass made its debut. First used as a water glass for the track restaurant, the mint julep glass has been a part of the Derby tradition for more than 50 years.
April 30, 1941: Jockey Eddie Arcaro rode four winners out of five mounts at Jamaica racetrack before leaving for Churchill Downs to ride Whirlaway in the Kentucky Derby.
May 1, 1943: Count Fleet won the 'street car' Kentucky Derby, for which no tickets could be sold to out-of-town spectators due to wartime travel restrictions.
May 1, 1948: H.A. 'Jimmy' Jones, son of Ben A. Jones, stepped aside as the trainer of Citation, allowing his father to be named the colt's official trainer in the Kentucky Derby. Ben Jones was attempting to match the record of H.J. Thompson, who had trained four Derby winners. Citation did win and Ben A. Jones subsequently won two additional derbies, in 1949 and 1952, to set the mark for most number of wins in the Run for the Roses, six. Jimmy Jones was named as Citation's trainer in the Preakness and Belmont Stakes, however, giving the Jones family a Triple Crown sweep.
May 7, 1949: Calumet Farm's Ponder won the 75th Kentucky Derby, which was first telecast on a limited basis by local TV station WAVE.
May 3, 1952: The first coast-to-coast, network-televised Kentucky Derby aired on CBS. Favorite Hill Gail won the Derby, giving his jockey Eddie Arcaro a record fifth victory in the Kentucky Derby, and his trainer, Ben A. Jones, the record for most number of wins (six). Arcaro's record was matched on this day in 1969 by jockey Bill Hartack. Jones' record has not been equaled.
May 2, 1953: Native Dancer suffered his only defeat in 22 starts. He finished second in the Kentucky Derby as the 7-10 favorite, beaten a head by a 25-1 shot, Dark Star. Going into the Derby, Native Dancer had 11 consecutive wins.
May 4, 1957: Bill Shoemaker, aboard Gallant Man, misjudged the finish line for the Kentucky Derby and stood up in the irons prematurely. Gallant Man lost the race by a nose to Iron Liege. Round Table was third and Bold Ruler was fourth in this historic finish.
May 3, 1958: CBS used a 'split screen' for its telecast of the Kentucky Derby, necessitated by the presence of the popular runner Silky Sullivan, who was famous for running far off the pace. Most of the screen was allotted to the main group of runners, with a small corner given over to Silky Sullivan. Although he was one of the favorites for the race, Silky failed to deliver his customary winning drive in the stretch and finished 12th, beaten 20 lengths by the victorious Tim Tam.
May 4, 1968: Dancer's Image became the first horse to be disqualified from the Kentucky Derby because post-race testing revealed an illegal medication. Forward Pass was declared the winner, giving Calumet Farm its eighth Derby winner, a record.
May 3, 1969: Jockey Bill Hartack won his fifth Kentucky Derby aboard Majestic Prince, tying Eddie Arcaro's 1952 record. Majestic Prince was trained by Hall of Fame jockey John Longden, the only person to have trained and ridden a Kentucky Derby winner.
May 2, 1970: Diane Crump became the first female jockey to ride in the Kentucky Derby. Her mount, Fathom, finished 15th in a field of 17.
May 1, 1971: The New York Off-track Betting Corp. offered wagering pools on the Kentucky Derby, the first instance in which parimutuel wagering on the race took place outside the Commonwealth of Kentucky. Churchill Downs had refused to sell the rights to the race to OTB, but the pools were offered nonetheless, generating handle totaling $1,043,005.
May 5, 1973: Secretariat became the first horse to complete the 1 1/4-mile course for the Kentucky Derby in less than two minutes when he won the 99th Run for the Roses in a record 1:59 2/5, which was 3/5 faster than Northern Dancer's 1964 mark of 2:00, to set a track and stakes record that still holds. He ran each successive quarter-mile of the race faster than the previous one, with split times of :25 1/5, :24, :23 4/5, :23 2/5 and :23.
May 1, 1976: Trainer Laz Barrera won three stakes in three different states: the Kentucky Derby with Bold Forbes; New York's Carter Handicap with Due Diligence and the Illinois Derby with Life's Hope.
April 23, 1977: Seattle Slew won the Wood Memorial at Aqueduct Racetrack, his sixth consecutive win and his third win of the season. The race was his final prep for the May 7 Kentucky Derby.
May 3, 1980: Diana Firestone's Genuine Risk became the second filly to win the Kentucky Derby. Regret won it in 1915; Winning Colors, in 1988.
May 2, 1981: The first simulcast of the Kentucky Derby took place, with three outlets - Centennial Park, Longacres Racecourse and Yakima Meadows - receiving the signal. Total simulcast wagering was $455,163. The Derby simulcast was suspended for the next two years, pending approval by Kentucky horsemen, and was reinstated in 1984.
May 7, 1983: Aboard Sunny's Halo, jockey Eddie Delahoussaye became the last rider to win consecutive Kentucky Derbies. Other riders to have won back-to-back Derbies are: Isaac Murphy, Ron Turcotte and James Winkfield.
May 3, 1986: Charlie Whittingham, at age 73, became the oldest trainer to win his first Kentucky Derby when he sent Ferdinand to victory. Ferdinand's rider, Bill Shoemaker, was the oldest jockey (54) to take the Run for the Roses. Whittingham topped himself in 1989, winning the Derby a second time (at age 76) with Sunday Silence.
May 7, 1988: Winning Colors, the first roan and the third filly to win the Kentucky Derby, provided trainer D. Wayne Lukas with his first Derby win in 13 attempts.
May 5, 1990: Frances Genter, age 92, became the oldest winning owner in Derby history when Unbridled won the 116th renewal of the Run for the Roses.
May 1, 1993: Paul Mellon became the second person in racing history of have bred and owned winners of the Kentucky Derby (Sea Hero, who won the 1993 Derby) and the Epsom Derby (Mill Reef, who won in 1971). John Galbreath was the first to have accomplished the Derby double, which he did with Proud Clarion (1967 Kentucky Derby) and Roberto (1972 Epsom Derby).
May 4, 1996: Trainer D. Wayne Lukas set the record for most consecutive wins in Triple Crown races, six, when Grindstone won the Kentucky Derby. Lukas' winning streak began with the 1994 Preakness Stakes, which he won with Tabasco Cat.
May 4, 2002: War Emblem led from start to finish to capture the 128th running of the Kentucky Derby. The time for the 1 1/4 miles was 2:01.13, ninth fastest in Derby history. Trainer Bob Baffert won the Derby for the third time. He saddled Silver Charm '97 and Real Quiet '98. The wire-to-wire victory was the first in the Kentucky Derby since Winning Colors in 1988.
May 3, 2003: Funny Cide held off heavily-favored Empire Maker and Peace Rules to capture the 129th running of the Kentucky Derby. Empire Maker and Peace Rules are both trained by Hall of Famer Bobby Frankel, who has never won a Kentucky Derby. Funny Cide, a 12-1 shot with Jose Santos aboard, became the first New York- bred horse to win the Run for the Roses. He also became the first gelding to win the Derby since Clyde Van Dusen in 1929.
May 1, 2004: Smarty Jones made it a perfect 7-for-7 in his career with a victory in the 130th Kentucky Derby. The 3-year-old colt from Philadelphia battled Lion Heart until he took the lead at the top of the home stretch. Smarty Jones also became the first undefeated horse in 27 years to win the Kentucky Derby and collected a $5 million bonus for winning the Rebel Stakes and the Arkansas Derby from Oaklawn Park.
May 7, 2006: Barbaro, ridden by Edgar Prado, won the 132nd running of the Kentucky Derby at Churchill Downs. The 3-year-old colt posted a 6 1/2-length victory over Bluegrass Cat with Steppenwolfer finishing third in the 20-horse field. Barbaro became the second horse from the Philadelphia area to win the Run for the Roses, Smarty Jones claimed the race two earlier.
May 3, 2008: Big Brown, overcoming the far outside post, rolled to a five- length victory in the 134th running of the Kentucky Derby at Churchill Downs. Big Brown, the 2-1 favorite in the 20-horse field, became the first winner of the Run for the Roses to start from the 20-post since the starting gate has been used. It also is the third Kentucky Derby win for jockey Kent Desormeaux, who previously captured the race in 1998 with Real Quiet and with Fusaichi Pegasus two years later. However, tragedy struck the Kentucky Derby when second-place finisher Eight Belles, the lone filly in the race, broke down shortly after crossing the wire. The 3-year-old suffered fractures to both of her front ankles and was euthanized on the track.
May 2, 2009: Longshot Mine That Bird came roaring down the stretch to capture the 135th running of the Kentucky Derby. Winning jockey Calvin Borel notched his second win of the Run for the Roses. Mine That Bird was sent off as a 50-1 longshot in the 19-horse field. The race was reduced by one when 3-1 program favorite I Want Revenge was scratched with an injured left front ankle.
May 1, 2010: Super Saver, ridden by Calvin Borel, came from just off the pace to win Saturday's 136th running of the Kentucky Derby. This was the second straight Derby win for Borel and the first for trainer Todd Pletcher. Champion colt Lookin At Lucky was the 6-1 favorite, Super Saver was second at 8-1 and Sidney's Candy was the third pick at 9-1. More than $30 million was in the win pool.
May 7, 2011: Animal Kingdom, ridden by John Velazquez, surged down the stretch to capture Saturday's 137th running of the Kentucky Derby at Churchill Downs. The time for the 1 1/4 miles was 2:02.04 on a fast track. Setting the pace in the $2 million Run for the Roses was Shackleford in the 19-horse field. Running in second was Comma to the Top followed by Soldat and Pants On Fire. Dialed In, the 5-1 favorite, was racing last.
May 5, 2012: I'll Have Another, ridden by Mario Gutierrez, ran down Bodemeister to capture 138th Kentucky Derby at Churchill Downs. The chestnut colt covered the 1 1/4 miles in 2:01.83. Bodemeister went off as the 4-1 favorite in the 20 horse field with Union Rags at 5-1 and Gemologist third at 8-1. I'll Have Another, winner of the Santa Anita Derby, was 15-1 at post-time.