N'abalị isii n'ọnwa Septemba n'afọ 1901, a gbagburu Onyeisi ala McKinley mgbe ọ na-aga ememme Pan-American Exposition e mere na Buffalo, New York
nke Leon Czolgosz dere. Roosevelt nọ ezumike na Vermont, wee gaa Buffalo ileta McKinley n'ụlọ ọgwụ. O yiri ka McKinley ọ ga-agbake, ya mere Roosevelt maliteghachiri ezumike ya na Adirondacks. Mgbe ọrịa McKinley kara njọ, Roosevelt gaghachiri Buffalo. McKinley nwụrụ na Septemba 14, na a gwara Roosevelt mgbe ọ nọ na North Creek; ọ gara n'ihu na Buffalo ma ṅụọ iyi dịka onye isi ala nke 26 nke mba ahụ na Ansley Wilcox House.