| Year | Event |
| 20 million bc |
| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | VOY | 3 | Distant Origin | The Voth woman says her civilisation has lasted 20 million years. This is a rounded date |
| Series : | VOY Season 3 |
| Episode : | Distant Origin |
| Comment : | The Voth woman says her civilisation has lasted 20 million years. This is a rounded date |
| © Graham & Ian Kennedy | Page views : 14,866 | Last updated : 7 Jul 2004 |