
| 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 : 16,851 | Last updated : 22 May 2013 |