Every Collection has a StoryThe Archives holds records that document the Smithsonian’s people, events, buildings, and research. The history of the Smithsonian is a vital part of the history of American experience, scientific exploration, and international cultural understanding.


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Mackay Emerald Necklace, by Clark, Chip, c. 2000, Smithsonian Archives - History Div, G9775_01.

August 27, 1984

A 168-carat emerald, the bequest of Anna Cast Mackay to the Smithsonian Institution National Gem Collection, is placed on permanent display in the National Museum of Natural History.More

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