| Year | Event |
| 1871 |
| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | DS9 | 3 | Defiant | Dukat said the founding had been 500 years ago |
| Series : | DS9 Season 3 |
| Episode : | Defiant |
| Comment : | Dukat said the founding had been 500 years ago |
| © Graham & Ian Kennedy | Page views : 8,832 | Last updated : 11 Dec 2014 |