
| Year | Event | ||||||
| 2366 | |||||||
| 2367 | 
      
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| 2368 | 
      
      
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| 2369 | 
      
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| 2370 | 
       
         ● [5]
         A future version of Alexander returns to the present to try and convince his earlier self to appreciate Klingon culture and the warrior ethos. [5]
       
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| 2374 | 
| Canon source | Backstage source | Novel source | DITL speculation | 
| # | Series | Season | Source | Comment | 
| 1 | Speculative | About half way between his conception on Stardate 42901.3 and his appearance on Stardate 44246.3. | ||
| 2 | TNG | 4 | Reunion | |
| 3 | TNG | 5 | New Ground | |
| 4 | TNG | 6 | A Fistful of Datas | |
| 5 | TNG | 7 | Firstborn | |
| 6 | DS9 | 6 | Sons and Daughters | |
| 7 | DS9 | 6 | You are Cordially Invited... | 
| Source : | Speculative | 
| Comment : | About half way between his conception on Stardate 42901.3 and his appearance on Stardate 44246.3. | 
| Series : | TNG Season 4 | 
| Episode : | Reunion | 
| Series : | TNG Season 5 | 
| Episode : | New Ground | 
| Series : | TNG Season 6 | 
| Episode : | A Fistful of Datas | 
| Series : | TNG Season 7 | 
| Episode : | Firstborn | 
| Series : | DS9 Season 6 | 
| Episode : | Sons and Daughters | 
| Series : | DS9 Season 6 | 
| Episode : | You are Cordially Invited... | 
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