Answer
October 29, 1901 marked the execution of Leon Czolgosz, the assassin of President William McKinley. Czolgosz, an anarchist, fatally shot McKinley during a public appearance at the Pan-American Exposition in Buffalo, New York on September 6, 1901. After a swift trial, Czolgosz was found guilty and sentenced to death. His execution by electrocution took place at Auburn State Prison in New York.