* 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

* 1973 – Richard Marshall, American general ( b. 1895 )

In 1973, there was internal conflict over whether to call for the impeachment of Richard Nixon.

1973 ); Charles Berlitz ( The Bermuda Triangle, 1974 ); Richard Winer ( The Devil's Triangle, 1974 ), and many others, all keeping to some of the same supernatural elements outlined by Eckert.

The first application of a staged maturity model to IT was not by CMM / SEI, but rather by Richard L. Nolan, who, in 1973 published the stages of growth model for IT organizations.

The National Environmental Policy Act ( 1969 ), the Clean Air Act ( 1970 ), the Clean Water Act ( 1972 ), and the Endangered Species Act ( 1973 ) all were enacted with broad bipartisan support, and ultimately signed into law by Republican President Richard Nixon.

* 1973 – Richard Clapp, Canadian baseball player

* 1973 – Cold War: Following President Richard Nixon's visit to the People's Republic of China, the two countries agree to establish liaison offices.

* 1973 – Richard Matvichuk, Canadian ice hockey player

* 1973 – Vietnam War: Citing progress in peace negotiations, President Richard Nixon announces the suspension of offensive action in North Vietnam.

* 1973 – Watergate scandal: former White House aide Alexander Butterfield informs the United States Senate that President Richard Nixon had secretly recorded potentially incriminating conversations.

* 1973 – President Richard Nixon announces that a peace accord has been reached in Vietnam.

Next came a four-hour film of O ' Neill's The Iceman Cometh, in 1973, starring Lee Marvin, and the decidedly offbeat 99 and 44 / 100 % Dead, a crime black comedy starring Richard Harris.

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.

* Richard Jenkin ( 1973 – 1983 )

( 1973 ) Segregated Sabbaths: Richard Allen and the Rise of Independent Black Churches, 1760 – 1840, New York: Oxford University Press, LCCN 73076908

* 1973 – The U. S. Congress overrides President Richard M. Nixon's veto of the War Powers Resolution, which limits presidential power to wage war without congressional approval.

* 1973 – U. S. President Richard Nixon signs the Trans-Alaska Pipeline Authorization Act into law, authorizing the construction of the Alaska Pipeline.

* Rubenstein, Richard E. Left Turn: Origins of the Next American Revolution ( Boston: Little, Brown, 1973 ).

* 1973 – Watergate scandal: In Orlando, Florida, U. S. President Richard Nixon tells 400 Associated Press managing editors " I am not a crook.

* Richard W. Roberts, 1973 – 1975

* 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.

* 1973 – President Richard Nixon rejects an Appeals Court decision that he turn over the Watergate tapes.