* 1973 – Launch of Pioneer 11 spacecraft.

* 1973 – The American League of Major League Baseball begins using the designated hitter.

* 1973 – Donnie Edwards, American football player

* 1973 – Randall Godfrey, American football player

* 1973 – Joe Machine, English artist, poet and writer

* 1973 – Rie Miyazawa, Japanese actress and model

* 1973 – Sun Wen, Chinese footballer

* 1973 – J. Scott Campbell, American writer and illustrator

* 1973 – Claudia Jordan, American model

* 1973 – Christina Moore, American actress

* 1973 – Antonio Osuna, Mexican baseball player

* 1973 – Watergate Scandal: U. S. President Richard Nixon announces that top White House aides H. R.

* 1948 – Alexander Onassis, American Greek socialite, son of Greek shipping magnate Aristotle Onassis ( d. 1973 )

* 1973 – Jeff Timmons, American singer and producer ( 98 Degrees )

* 1973 – Kinna McInroe, American actress

* 1908 – Lyndon B. Johnson, American politician, 36th President of the United States ( d. 1973 )

* 1973 – Jazz, American wrestler

* 1973 – Cory Bowles, Canadian actor and choreographer

* 1973 – Danny Coyne, Welsh footballer

* 1973 – Dietmar Hamann, German footballer

* 1973 – Burak Kut, Turkish singer-songwriter

* 1973 – Johan Norberg, Swedish author

* 1973 – Vera Farmiga, American actress

* 1973 – Monica Goodling, American lawyer

* 1973 – Max Kellerman, American sportscaster

The fastest time ever run in the Derby ( at its present distance ) was set in 1973 at 1 minute 59 2 / 5 seconds when Secretariat broke the record set by Northern Dancer in 1964.

Though times for non-winners were not recorded, in 1973 Sham finished second, two and a half lengths behind Secretariat in the same race.

* 1973 – Secretariat ( horse ) wins the 1973 Kentucky Derby in 1: 59 2 / 5, a still standing record.

Secretariat, the 1973 winner, was originally credited with a running time of 1: 55.

On June 9, 1973, Secretariat won the Belmont Stakes by thirty-one lengths, in a record time of 2: 24, becoming a Triple Crown champion that year.

Secretariat ( March 30, 1970 – October 4, 1989 ) was an American Thoroughbred racehorse, that in 1973 became the first U. S. Triple Crown champion in 25 years, setting race records in all three events in the Series — the Kentucky Derby ( 1: 59. 4 ), the Preakness Stakes ( 1: 53 ) and the Belmont Stakes ( 2: 24 )-records that still stand today.

Churchill Downs bettors made the entry of Secretariat and Angle Light the 3 – 2 favorite in the 1973 Kentucky Derby.

Only four horses competed against Secretariat for the June 9, 1973, running of the Belmont Stakes, including Sham, who had finished second in both the Derby and Preakness, along with three other horses thought to have little chance by the bettors: Twice A Prince, My Gallant, and Private Smiles.

* Kentucky Derby. com – Secretariat – 1973

As a result of Shoemaker's decision, Bill Hartack became Northern Dancer's permanent jockey and guided him to victories in the Blue Grass and the Kentucky Derby, winning the Derby over a fast finishing Hill Rise in a record time that stood until it was broken by Secretariat in 1973.

Ronald Joseph Morel Turcotte, CM ( born July 22, 1941 in Drummond, New Brunswick, Canada ) is a Hall of Fame thoroughbred race horse jockey best known as the rider of Secretariat, winner of the U. S. Triple Crown in 1973.

Ron Turcotte became internationally famous in 1973 when he rode Secretariat to win the first Triple Crown in 25 years.

The most famous horse from Canada is generally considered to be Northern Dancer, who after winning the Kentucky Derby, Preakness and Queen's Plate in 1964 went on to become the most successful Thoroughbred sire of the 20th century ; his two-minute-flat Derby was the fastest on record until Secretariat in 1973.

* The USSR's section of Amnesty International was founded on October 6, 1973 by 11 Moscow intellectuals and was registered in September 1974 by the Amnesty International Secretariat in London.

Caroline County is also home to The Meadow stables, the birthplace of the renowned racehorse Secretariat, winner of the 1973 Kentucky Derby, Preakness Stakes and Belmont Stakes ; the Triple Crown.

Funny Cide was the fifth Derby winner to race at Woodbine, and the first to win there since Secretariat took the Canadian International in 1973.

In 2010, Wallace directed Disney ’ s Secretariat, the true story of the racehorse that won the Triple Crown in 1973.

Secretariat, who holds the record for the fastest time in the Kentucky Derby and winner of the Triple Crown in 1973, wore blue and white ( as vividly shown in the 2010 Disney movie ) because his owner, Christopher Chenery, was a graduate and trustee of Washington and Lee.

In 2010, Lane starred in Secretariat, a Disney film about the relationship between the 1973 Triple Crown-winning racehorse and his owner, Penny Chenery, whom Lane portrayed.

He served on the faculty of Smith College from 1945 until his retirement in 1973, with two notable breaks: in 1948-49 he was director of the Division of Political Science of UNESCO in France and in 1952 he worked as a political analyst for the Information Service of the Secretariat of NATO.

In May 1973, Lambert's tendency unsuccessfully requested to take part in the discussions for the 1974 congress, but the United Secretariat did not take the letter at face value and asked for clarification.

In September 1973 the OCRFI responded positively and the United Secretariat agreed a positive reply.

However, despite this success, Laurin is best known as the trainer of Secretariat who was voted the 1972 American Champion Two-Year-Old Colt, and the 1972 and 1973 American Horse of the Year and who, in 1973, became the first Triple Crown winner in twenty-five years and the horse ranked # 2 in the Blood-Horse magazine List of the Top 100 U. S. Racehorses of the 20th Century.