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December 13, 1920 in History
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Event: F Pease's interferometer measures 1st stellar diameter (Betelgeuse) |
Related Topics:
diameter measures Pease stellar Related Year: 1920 Related Events: December 13 |
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More Notable Events on December 13:
1990 Heavy earthquake strikes Sicily, 18 die 1978 Susan B. Anthony dollar, 1st U.S. coin to honor a woman, issued 1975 1st time Saturday Night Live uses a time delay - Richard Pryor as host 1974 Malta becomes a republic 1961 Beatles sign a formal agreement to be managed by Brian Epstein |
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