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Showing results 157 - 168 of 1249 for Twitter
  1. SI History Chronology

    New Smithsonian Seal Approved

    • Date: June 3, 1966

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  3. Joseph Henry, by Unknown, c. 1829, Smithsonian Archives - History Div, MAH-69029.

    Joseph Henry

    • Date: c. 1829
    • Creator: Unknown
    • Creator: Unknown

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  5. SI History Chronology

    Joseph Henry Distributes Instructions for Observing Aurora

    • Date: March 1, 1849

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  7. SI History Chronology

    Secretary Empowered to Remove Assistants

    • Date: July 8, 1854

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  9. SI History Chronology

    National Collection Funding Increased

    • Date: July 15, 1870

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  11. SI History Chronology

    Federal Government Stops Providing Funds to the Smithsonian

    • Date: December 1860 Civil War, 1861-1865

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  13. Secretary Small

    Secretary Small

    • Date: July 31, 2001
    • Creator: McCrea, Terry G
    • Creator: McCrea, Terry G

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  15. SI History Chronology

    "A Scientist in American Life" Published

    • Date: December 1980

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  17. SI History Chronology

    Ripleys Receive Honors

    • Date: September 16, 1984

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  19. SI History Chronology

    National Gallery of Art Exhibit in SI Building

    • Date: 1907

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  21. SI History Chronology

    Volume 2 of Smithsonian Contributions to Knowledge Prepared

    • Date: December 1851

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  23. SI History Chronology

    Lawrence Small Becomes 11th Secretary of Smithsonian

    • Date: January 24, 2000

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Showing results 157 - 168 of 1249 for Twitter

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