
| Year | Event | 
| 2273 | 
| Canon source | Backstage source | Novel source | DITL speculation | 
| # | Series | Season | Source | Comment | 
| 1 | TNG | 3 | Sarek | Sarek said he had worked on the treaty for 93 years | 
| Series : | TNG Season 3 | 
| Episode : | Sarek | 
| Comment : | Sarek said he had worked on the treaty for 93 years | 
| © Graham & Ian Kennedy | Page views : 18,836 | Last updated : 30 Nov -0001 |