* 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

* Robert Dilworth and Crawley, Peter, 1973.

Enter the Dragon is a 1973 Hong Kong martial arts action film directed by Robert Clouse ; starring Bruce Lee, Jim Kelly and John Saxon.

* Tucker, Robert C. Stalin as Revolutionary, 1879-1929 ( 1973 ); Stalin in Power: The Revolution from Above, 1929-1941.

In Texas, " Confederate Heroes Day " is celebrated on January 19, the birthday of Robert E. Lee ; Jefferson Davis ’ birthday had been officially celebrated on June 3 but was combined with Lee's birthday in 1973.

Robert W. Stephen A. Douglas ( 1973 ) ISBN 0-19-501620-3

His 1970s films included Monte Walsh ( 1970 ) with Jeanne Moreau, the violent Prime Cut ( 1972 ) with Gene Hackman, Pocket Money ( 1972 ) with Paul Newman, Emperor of the North Pole ( 1973 ) opposite Ernest Borgnine, as Hickey in The Iceman Cometh ( 1973 ) with Fredric March and Robert Ryan, The Spikes Gang ( 1974 ) with Noah Beery, Jr., The Klansman ( 1974 ) with Richard Burton, Shout at the Devil ( 1976 ) with Roger Moore, The Great Scout and Cathouse Thursday ( 1976 ) with Oliver Reed, and Avalanche Express ( 1978 ) with Robert Shaw.

Scorsese is hailed as one of the most significant and influential filmmakers of all time, directing landmark films such as Mean Streets ( 1973 ), Taxi Driver ( 1976 ), Raging Bull ( 1980 ), and Goodfellas ( 1990 ) – all of which he collaborated on with actor and close friend Robert De Niro.

* 1973 – Robert Tinkler, Canadian voice actor

* 1973 Robert Lansing

* 1973 – " Saturday Night Massacre ": President Richard Nixon fires U. S. Attorney General Elliot Richardson and Deputy Attorney General William Ruckelshaus after they refuse to fire Watergate special prosecutor Archibald Cox, who is finally fired by Robert Bork.

He was also in Jean Kerr's 1973 Broadway farce Finishing Touches, with Barbara Bel Geddes, Robert Lansing, James Woods, and others.

Robert Siodmak ( 8 August 1900 – 10 March 1973 ) was a German born American film director.

The Sontarans made their first appearance in 1973 in the serial The Time Warrior by Robert Holmes, where a Sontaran named Linx is stranded in the Middle Ages.

On November 6, 1973, in Oakland, California, two members of the SLA killed school superintendent Marcus Foster and badly wounded his deputy, Robert Blackburn, as the two men left an Oakland school board meeting.

* Robert Frankston " The Computer Utility As A Marketplace For Computer Services " 1973

Harlan Ellison was approached by Robert Kline, a 20th Century Fox television producer, to come up with an idea for a science fiction TV series consisting of eight episodes, to pitch to the BBC as a co-production in February 1973.

* Religion among the Unitarian Universalists ; converts in the stepfathers ' house by Robert B. Tapp, New York: Seminar Press, 1973, ISBN 0-12-914650-1

* April 13 – Sir Robert Alexander Watson-Watt, British ( Scottish ) inventor of radar ( d. 1973 )

* Robert Amen, MBA 1973, Chairman and CEO of International Flavors and Fragrances

Sir Robert Alexander Watson-Watt, KCB, FRS, FRAeS ( 13 April 1892 – 5 December 1973 ) is considered by many to be the " inventor of radar ".

He is noted for his roles in five feature-length films: Lo Wei's The Big Boss ( 1971 ) and Fist of Fury ( 1972 ); Way of the Dragon ( 1972 ), directed and written by Lee ; Warner Brothers ' Enter the Dragon ( 1973 ) and The Game of Death ( 1978 ), both directed by Robert Clouse.