- World War II comes to an end on the planet Earth with the fall of the Nazi Party in Germany, with the United States of America emerging as one of the victors. The following establishment of the US as a dominant power would lead to developments resonating on into the 24th century. (TOS: "The City on the Edge of Forever"; DS9: "What You Leave Behind"; ENT: "Storm Front, Part II"; TNG: "Manhunt")
- Johnnies Market opens in Carbon Creek, Pennsylvania. (ENT: "Carbon Creek")
- A bottle of Dom Pérignon produced in this year was handed over by Caprice to Julian Bashir in the Julian Bashir, Secret Agent holoprogram in 2372. (DS9: "Our Man Bashir")
- The rocket scientist Robert H. Goddard dies. (Star Trek Encyclopedia (4th ed., vol. 1, p. 307))
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