| Year | Event |
| 822 |
| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | From the episode script | Data states that Kahless has been dead for 1,547 years. This is that long prior to the episode date of 2367 | ||
| 2 | TNG | 6 | Rightful Heir |
| Source : | From the episode script |
| Comment : | Data states that Kahless has been dead for 1,547 years. This is that long prior to the episode date of 2367 |
| Series : | TNG Season 6 |
| Episode : | Rightful Heir |
| © Graham & Ian Kennedy | Page views : 8,929 | Last updated : 22 May 2013 |
