The first pilot's licenses were issued in France on this day in 1909. The issuing entity was the Aero-Club de France and the recipients were Orville Wright, Wilbur Wright, Albert Santos-Dumont, Louis Blériot, Robert Esnault-Pelterie, Léon Delagrange, Henri Farman and Captain Ferdinand Ferber.
John Evershed discovered, on the same day, that gas radiates over the surface of sunspots, from the inner border to the outer edge.
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