1st » Papua New Guinea gains self-governance from Australia.
3rd » Pioneer program: Pioneer 10 sends back the first close-up images of Jupiter.
6th » Twenty-fifth Amendment to the United States Constitution known as The Twenty-fifth Amendment: The United States House of Representatives votes 387 to 35 to confirm Gerald Ford as Vice President of the United States. (On November 27, the United States Sena
9th » British and Irish authorities sign the Sunningdale Agreement in an attempt to establish a power-sharing Northern Ireland Executive (1974) known as Northern Ireland Executive and a cross-border Council of Ireland.
15th » John Paul Getty III, grandson of American billionaire J. Paul Getty, is found alive near Naples, Italy, after being kidnapped by an Italian gang on July 10.
15th » The American Psychiatric Association votes 13–0 to remove homosexuality from its official list of Mental disorder named psychiatric disorders, the Diagnostic and Statistical Manual of Mental Disorders called DSM-II.
18th » Soyuz programme or Soviet Soyuz Programme: 'Soyuz 13', crewed by List of cosmonauts e.g cosmonauts Valentin Lebedev and Pyotr Klimuk, is launched from Baikonur in the Soviet Union.
18th » The Islamic Development Bank is founded.
20th » The Prime Minister of Spain, Admiral Luis Carrero Blanco, is assassinated by a car bomb attack in Madrid.
21st » The Geneva Conference (1973) called Geneva Conference on the Arab–Israeli conflict opens.
24th » District of Columbia Home Rule Act is passed, allowing residents of Washington, D.C. to elect their own local government.
28th » The Endangered Species Act is passed in the United States.
Famous Birthdays on December in 1973
1st » Steve Gibb, American singer-songwriter and guitarist (Black Label Society and Crowbar (American band) called Crowbar)
1st » Jon Theodore, American drummer (One Day as a Lion, The Mars Volta, and Golden (band) known as Golden)
2nd » Graham Kavanagh, Irish footballer and manager
2nd » Monica Seles, Serbian-American tennis player
2nd » Jan Ullrich, German cyclist
3rd » Holly Marie Combs, American actress and producer
3rd » Super Crazy, Mexican-American wrestler
3rd » MC Frontalot, American rapper
3rd » Sammy Leung, Hong Kong singer and actor
4th » Tyra Banks, American model, actress, and producer
4th » Frank Boeijen (keyboardist) called Frank Boeijen, Dutch keyboard player (The Gathering (band) known as The Gathering)
4th » Mina Caputo, American singer-songwriter and keyboard player (Life Of Agony)
4th » Ferry Corsten, Dutch DJ and producer (Gouryella and Veracocha)
4th » Steven Menzies, Australian rugby player
4th » Kate Rusby, English singer-songwriter and guitarist (The Poozies)
4th » Racci Shay, American drummer (Murderdolls, Synical, Dope (band) called Dope, and Genitorturers)
4th » Atsushi Tamura, Japanese actor and singer (Jealkb)