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9 April
9 April 1861 discovery of 66 Maja
9 April 1907 discovery of 793 Arizona
9 April 1940 discovery of 2639 Planman
9 April 1768 Birth of Marie-Charles-Théodore de Damoiseau, in Jussan Mouthier, (Doubs), France
9 April 1816 Birth of Charles-Eugène Delaunay, in Lusigny, Aube, France
9 April 1869 Birth of Élie Joseph Cartan
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