1910s (FASA)
From Trekipedia
Reference Stardate -1/1001 through -1/1912
1917
- Protactinium (element 91) is discovered in Germany and England on Earth.[1]
Notes and References
- ↑ Palestine, Eileen and Geoffrey Mandel (Editors). Star Fleet Medical Reference Manual. Star Trek. Book. Originally published by Star Fleet Productions, Inc.. Ballantine Books. 1977.
