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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

   Smithsonian Centennial Celebration

   • Date: 1946

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   International Exchange Service Begins

   • Date: November 1849

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7. SI History Chronology

   True Appointed Librarian for USNM

   • Date: 1881

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9. SI History Chronology

   Washington Relics Transferred to USNM

   • Date: May 19, 1883

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11. SI History Chronology

    S. Dillon Ripley Becomes Secretary

    • Date: February 1, 1964

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    Joseph Henry's Program of Organization for the Smithsonian Adopted

    • Date: December 13, 1847

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15. SI History Chronology

    Bureau of Ethnology Established at SI

    • Date: March 3, 1879

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17. SI History Chronology

    Dept. of Living Animals Exhibit Opens

    • Date: October, 1887

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    Cover of Smithsonian "Contributions to Knowledge Volume 1"

    • Date: 1848

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21. SI History Chronology

    Legislation Establishing NMAI Is Signed

    • Date: November 28, 1989

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23. SI History Chronology

    Smithsonian Act of Organization Passes

    • Date: August 10, 1846

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