18 June 1878 discovery of 188 Menippe

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18 June 1818 Birth of Pietro Angelo Secchi

18 June 1918 Birth of Jerome Karle

18 June 1922 Death of Jacobus Cornelius Kapteyn in Amsterdam, the Netherlands

18 June 1932 Birth of Dudley Robert Herschbach

18 June 1971 Death of Paul Karrer

18 June 1972 Death of Milton Lassell Humason in Mendocino, California

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Chronology