- While Doctor McCoy is in 1930 New York City, he incorrectly guesses the year to be 1925. (TOS: "The City on the Edge of Forever")
- A Folsom point is discovered in New Mexico on Earth. (TOS: "The Galileo Seven")
- This seems to be a difference between the Star Trek universe and ours, as in our world the first Folsom point was also found in New Mexico, but in 1927.
- The Cardassians are warp-capable in this year. (Star Trek: Star Charts (p. 35))
- Sammy Davis, Jr. is born. (Star Trek Encyclopedia (4th ed., vol. 1, p. 186))
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