Description: In July 1925, two photographers were among the crowds of people (including, of course, many other photographers) who descended upon Dayton, Tennessee, to witness the "Trial of the Century." Tennessee v. John Thomas Scopes was a test trial to overturn the newly-passed state law prohibiting the teaching of evolution in schools.
Description: [caption id="" align="aligncenter" width="221" caption="Uniformed Letter Carrier with Child in Mailbag, by Unidentified photographer, c. 1900, National Postal Museum."][/caption] Since the Smithsonian began uploading photos to the Flickr Commons, there have been some clear crowd favorites. The photo above, for example, is by far our most popular photo on the Flickr Commons,