| Timeline | |||
| Centuries: | 20th Century | 21st Century | 22nd Century |
| Years: | 2051 | 2052 | 2053 |
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- 5: The Danteri conquer Xenex, and will control the planet for nearly three centuries.
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- 14: The Trill abolish contact with alien species to protect knowledge of their symbiotic nature. The Vulcans are the sole exception to this policy, and will remain so for over a decade.