Philadelphia hosted the 1876 Centennial Exposition, an earlier national anniversary celebration linked to America250.
The exposition marked the 100th anniversary of the adoption of the Declaration of Independence. It took place in Fairmount Park from May 10 to November 10, 1876, and was the first official world’s fair held in the United States. Philadelphia’s connection to the Revolution made it a particularly meaningful location.
Nearly 10 million visitors attended, and 37 countries participated. Exhibits displayed American industry, agriculture, science, machinery, and consumer products. The exposition also showcased inventions and technologies, including Alexander Graham Bell’s telephone and large-scale machinery.
America250 follows the pattern established by earlier anniversary observances. Philadelphia also hosted the 1926 Sesquicentennial Exposition, while the 1976 Bicentennial was celebrated nationwide. These earlier events can be confused because all used anniversary terminology, but the Centennial specifically refers to the 100th anniversary in 1876.