| Date | Event |
|---|---|
| December 01 1973 | Paupa New Guinea Now Self-governing |
| December 03 1973 | Pioneer 10 Sends Back Jupiter Images |
| December 06 1973 | The House Votes To Confirm Ford As Vice President |
| December 09 1973 | British And Irish Sign Sunningdale Agreement |
| December 15 1973 | Kidnapped Billionaire Heir Getty Rescued In Italy |
| December 15 1973 | The American Psychiatric Association Official |
| December 17 1973 | Palestinian Terrorists Kill 30 At Rome Airport |
| December 18 1973 | The Islamic Development Bank Is Founded |
| December 18 1973 | Soviets Launch Soyuz 13 |
| December 20 1973 | Spanish Prime Minister Assassinated In Madrid |
| December 21 1973 | Geneva Conference On Arab-Israeli Conflict Opens |
| December 24 1973 | Home Rule Act Passed In D.C |
| December 28 1973 | US Passes Endangered Species Act |