Description: 100 years ago in August of 1914, the Panama Canal opened to commercial shipping. Smithsonian scientists knew the canal would create major environmental changes and have spent the last 100 years documenting them.
Description: In August 1996, the Smithsonian marked its 150th anniversary with a huge birthday celebration on the National Mall. For its sesquicentennial, a term which this author constantly forgets no matter how many times she looks it up, the Institution threw itself a two-day birthday party, sprinkled with special exhibit tents, concerts, nineteen birthday cakes, a special website, and
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