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Timeline - 5 billion bc |
| Year | Event | |||||
| 5 billion bc |
|
 | ||||
| Yellow text = Canon source | Green text = Backstage source | White text = DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | TOS | 1 | The City on the Edge of Forever | The Guardian said it had been waiting for a question since "before your sun burned hot in space", indicating a time of at least five billion years ago |
| 2 | TOS | 1 | The City on the Edge of Forever | The Guardian said it had been waiting for a question since "before your sun burned hot in space", indicating a time of at least five billion years ago |
| Series: | TOS Season 1 (Disc 7) |
| Source: | The City on the Edge of Forever |
| Comment: | The Guardian said it had been waiting for a question since "before your sun burned hot in space", indicating a time of at least five billion years ago |
| Series: | TOS Season 1 (Disc 7) |
| Source: | The City on the Edge of Forever |
| Comment: | The Guardian said it had been waiting for a question since "before your sun burned hot in space", indicating a time of at least five billion years ago |
| Copyright Graham Kennedy | Page views : 203 | Last updated : 1 Jan 1970 |
