1973

Events

 * February 2:
 * William Casey becomes Under Secretary of State for Economic Affairs
 * March 2:
 * William Colby becomes Deputy Director of Central Intelligence
 * April 5:
 * Richard Helms becomes United States Ambassador to Iran
 * July 2:
 * Vernon Walters becomes Acting Director of Central Intelligence
 * July 18:
 * William Webster becomes Judge of the United States Court of Appeals for the Eighth Circuit
 * September 4:
 * William Colby becomes Director of Central Intelligence

Births

 * March 20:
 * Ronna Romney - Chair of the Republican National Committee (Living)
 * July 16:
 * Timothy John Ryan - Member of the House of Representatives (Living)
 * August 3:
 * Christopher Scott Murphy - Senator of Connecticut (Living)

Deaths

 * January 14:
 * Sidney William Souers - Director of Central Intelligence (b. 1892)
 * November 26:
 * Charles Evans Whittaker - Associate Justice of the Supreme Court (b. 1901)