January 29, 1930
US astronomer Clyde Tombaugh takes a second series of photographic plates which will ultimately lead to the discovery of Pluto.
Births
Bobby Bland, American singer
Deaths
Archduchess Elisabeth Franziska Marie Karoline Ignatia Salvator (b. 27 January 1892), daughter of Archduke Franz Salvator of Austria and Archduchess Marie Valerie of Austria.
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