Description: In the late 19th and early 20th centuries, the Smithsonian participated in numerous international world’s fairs and expositions. The Panama-Pacific Exposition of 1915 held in San Francisco, California, was intended celebrate the completion of the Panama Canal, as well as to illustrate the function and administrative faculty of the Government of the United States, and to
Description: People use postcards to correspond with each other, but the way they have used postcards to communicate has changed over time. The postcards in this gallery show how postcards began as a quick way to send short communications between individuals, but have since evolved to be used for longer communications and for requests between academics. While the typical use for a postcard