The Pan-American Exposition was a world's fair held in Buffalo, New York from May 1 to November 2, 1901. Its purpose was to promote trade and cultural exchange among the countries of the Americas. The exposition featured exhibits showcasing advancements in technology, agriculture, and industry, as well as cultural performances and art displays. One of the most notable events during the exposition was the assassination of President William McKinley, who was shot by an anarchist on September 6, 1901. The fair also introduced innovations such as the electric light and the first moving sidewalk, highlighting the technological progress of the time.