|2046 2047 2048 2049 2050 2052 2053|
|2010s 2020s 2030s 2040s 2050s 2060s 2070s|
|20th century - 21st century - 22nd century|
- Dilithium is first identified by humans on Amalthea, one of Jupiter's moons. (Star Fleet Medical Reference Manual, Federation Spaceflight Chronology, vol. 3)
- The Vulcan Voroth-class surveyor VSS T'perra beings a four year mission exploring the Cheel'reh Nebula. (Ship Recognition Manual, Volume 4: Starships of the Original Series Era)
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