| Date | Event |
|---|---|
| December 03 1967 | First Human Heart Transplant In South Africa |
| December 04 1967 | US, South Vietnamese Versus Viet Cong, Mekong |
| December 06 1967 | Kantrowitz Performs First US Heart Transplant |
| December 13 1967 | Constantine II Unsuccessful Against Regime |
| December 15 1967 | Ohio River's Silver Bridge Collapses, Killing 46 |
| December 17 1967 | Harold Holt Presumed Drowned |
| December 19 1967 | Holt, Prime Minister Of Australia, Dead |
| December 20 1967 | Train Exceeds 155 Mph On Route |
| December 21 1967 | Washkansky Undergoes Heart Transplant |
| December 31 1967 | New International Youth Party ('Yippies') Founded |