Where was the Centennial Exhibition held?
The Centennial Exhibition was the International Exhibition which was held in Fairmount Pak in Philadelphia. It opened on May 10, 1876 and was host to 9,010,916 visitors. It closed on November 10, 1876. Source: Famous First Facts: A Record of First Happenings, Discoveries, and Inventions in American History, 1997, p.125, Joseph Nathan Kane, 031.