Reference Stardates 0/5200 - 0/5912
- RSD 0/52: The Glenn class space bus enters service, with a crew of 28 and a passenger capacity of up to 450. With more than 200 built, they will serve as the principal surface-to-orbit carriers during the second half of the 21st century.
- The Galileo class is retired from service.
- RSD 0/5303: Alpha Centauri biosociologist Zancmar Hodgkins publishes his Law of Parallel Planet Development, stating that similar planets develop similar life-forms with similar cultures.
- 5 April: Humans make first contact with the Vulcans at Bozeman, Montana, on Earth, following the first successful flight by warp drive inventor Zefram Cochrane.
- RSD 0/5409 (September): The U.N.S.S. Icarus returns from its historic journey. A United Nations mission is dispatched to Alpha Centauri to begin official recognition, discuss trade, and exchange knowledge of each other's history.
- RSD 0/56: Interplanetary high-speed ambulances, such as the Keller class, improve the survival rates of severely sick and injured people in the Sol system with quicker access to Earth-based medical facilities.
- RSD 0/5706: The Xenobiological Probability Study, underwritten by the University of Luna for the United Nations, is released. The study concludes mathematically that the probability of discovering any non-humanoid intelligent life within the next century are extremely small.
- RSD 0/5807: After several years of design, construction, and testing, the Cochrane class, named for the inventor of the warp drive engine, Zefram Cochrane, inaugurates a new era in space exploration as Earth's first class of warp-capable spacecraft. A joint venture between Earth and Alpha Centauri, the Bonaventure is armed with monochromatic high-intensity lasers, powered by the ship's fusion sub-light engines. The U.N.S.S. Bonaventure is among the first ships of the class.
- 30-31 December: The S.S. Valiant encounters a magnetic storm that pushes it beyond the edge of the galaxy. Upon re-entering through the Galactic Barrier, several crew members begin exhibiting extraordinary psychic powers. The captain is forced to order the destruction of his ship, but a number of crewmen survive and establish a colony on a nearby world.
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