| Year | Event |
| 37,600 bc |
| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | ENT | 2 | Dawn | The alien said this happened 40,000 years ago. This is a rounded date |
| Series : | ENT Season 2 |
| Episode : | Dawn |
| Comment : | The alien said this happened 40,000 years ago. This is a rounded date |
| © Graham & Ian Kennedy | Page views : 8,448 | Last updated : 5 Apr 2014 |
