Ancient History

5. Constructed the Celestial Temple
7. Left behind on Vagra II by a "race of Titans"
8. Included over two dozen star systems in the Gamma Quadrant, spanning at least nineteen dynasties 30,000 years before the 24th century.
9. Visited Ocampa in approximately 100 BCE, resulting in the destruction of all nucleogenic particles in that planet's atmosphere.
10. Forced Captain Kirk to fight a member of a reptillian species.
11. Produced a relic that Captain Jean-Luc Picard kept in his ready room on the Enterprise.
13. Fought to mutual extinction in the 14th century CE with another civilization in this puzzle.
15. Built a massive computer archive that once took over and transformed the Enterprise-D

1. Sentient time travel portal created by an unknown civilization
2. Fought to mutual extinction in the 14th century CE with another civilization in this puzzle.
3. Often relocated small populations of sentient beings off of their homeworlds for mysterious purposes.
4. Notable for the creation of a series of long-distance gateways that allowed for instantaneous transport across the galaxy.
6. Juvenile member of an unknown, ancient race encountered by the Enterprise in 2267
8. Created when an unknown machine race enhanced a NASA probe
12. This massive empire existed over six-hundred thousand years before the Federation was founded
14. Presumed to be extinct, their name is the Klingon word for "Outsider."