In 1876. the United States marked its centennial (or one hundredth birthday) with a World's Fair held in Philadelpha. The fair celebrated American technological progress and expansion. In this print, created by Currier & Ives, "Brother Jonathan" (a…

In July 1876, 17-year-old Frank Thomas recorded his experiences on a trip in Philadelphia in these diary entries. Chief among the city's attractions was the Centennial Exhibition. A showcase for American industry, agriculture, art, and architecture…