The Devil in the Dark

Prime Timeline

Year	Event
47,750 bc	● [1] The Horta die out with the exception of one individual, who will care for the thousands of eggs her species has left behind until they hatch in 2267. [1]   Species :  Horta
2267	● [2] The Enterprise travels to Janus VI, site of a Federation mining operation, to investigate deaths amongst the miners. A native species, the Horta, is found to be responsible for the deaths - retaliation for the miners destroying the Horta's eggs. Tensions are eventually resolved and a peaceful relationship with the Horta is established. [2]

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Colour key

Canon source

Backstage source

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DITL speculation

● - Shows the canon status and reference of the year for this event

References

#	Series	Season	Source	Comment
1	TOS	1	The Devil in the Dark	The Horta told Spock about the 50,000 year life cycle of her species. This is a rounded date
2	TOS	1	The Devil in the Dark

Series :	TOS Season 1
Episode :	The Devil in the Dark
Comment :	The Horta told Spock about the 50,000 year life cycle of her species. This is a rounded date

Series :	TOS Season 1
Episode :	The Devil in the Dark

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Last updated : 4 Nov 2025