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1. SI History Chronology

   Children's Room Opens in SI Building

   • Date: 1901

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3. SI History Chronology

   Robert McC. Adams Appointed Secretary

   • Date: January 21, 1984

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5. SI History Chronology

   Samuel Langley Elected Third Secretary

   • Date: November 18, 1887

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7. SI History Chronology

   Charles D. Walcott Elected Secretary

   • Date: January 23, 1907

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   Centennial Collections Transferred to SI

   • Date: November 13, 1876

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11. SI History Chronology

    Charles G. Abbot Elected Secretary

    • Date: January 10, 1928

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13. SI History Chronology

    National Air and Space Museum Opens

    • Date: July 1, 1976

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    Spencer Baird Elected Secretary

    • Date: May 17, 1878

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17. SI History Chronology

    True Appointed Librarian for USNM

    • Date: 1881

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19. SI History Chronology

    Secretary Spencer Fullerton Baird Dies

    • Date: August 19, 1887

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21. SI History Chronology

    S. Dillon Ripley Becomes Secretary

    • Date: February 1, 1964

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23. SI History Chronology

    National Collection of Fine Arts is Dedicated

    • Date: May 3, 1968

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