Shortly after 2:00 a.m. on September 14, 1901, William McKinley died in the Buffalo home of John G. Milburn. Eight days earlier, the president had been shot while greeting visitors at the Pan-American Exposition. For several days he appeared to improve. Then infection and gangrene overwhelmed him.
By afternoon, Theodore Roosevelt had arrived in Buffalo and taken the presidential oath in the library of Ansley Wilcox’s house. The day joined a private death, a constitutional transfer of power and the opening of a new political era.
The reception at the Temple of Music
McKinley visited Buffalo in September 1901 as the Pan-American Exposition displayed the technology, commerce and imperial confidence of the United States at the turn of the century. On September 6, he stood in the Temple of Music receiving members of the public.
Leon Czolgosz approached with a revolver concealed beneath a handkerchief around his right hand. At close range he fired twice. One bullet caused a superficial wound; the other entered McKinley’s abdomen, passed through the stomach and was not recovered.
The president was taken to the exposition’s emergency hospital. Surgeons operated under difficult conditions, closing wounds in the stomach but failing to find the bullet. Medical practice was changing rapidly, but the operation took place before antibiotics and without the diagnostic tools later generations would consider essential.
A recovery that reversed
McKinley was moved to the Milburn residence, where physicians monitored him and issued bulletins. His pulse and appetite appeared to improve, and official optimism spread. Vice President Theodore Roosevelt, who had come to Buffalo after the shooting, left for the Adirondacks when the danger seemed to be passing.
The improvement did not last. McKinley’s condition deteriorated on September 12 and 13. Tissue damaged along the bullet’s path became gangrenous. By then doctors could not reverse the infection. Roosevelt was summoned from the mountains and began a hurried journey back to Buffalo.
The president died early on September 14. The exact last words attributed to him vary among accounts and were shaped by public mourning; this article does not rely on a dramatic quotation. The documented fact is stark enough: a second-term president, elected only months earlier, was dead at fifty-eight.
Roosevelt returns to Buffalo
Roosevelt arrived in Buffalo at about 1:30 p.m. He went to the Milburn house to pay his respects to the president’s widow, Ida McKinley, then returned to the home of his friend Ansley Wilcox.
The Constitution made Roosevelt president at the moment of McKinley’s death, but an oath ceremony affirmed continuity before officials and the public. At approximately 3:30 p.m., Federal District Judge John R. Hazel administered the oath in Wilcox’s library. Cabinet members and a small number of reporters witnessed it. Photographers were admitted only afterward.
Roosevelt then met briefly with the cabinet and issued his first presidential proclamation. The sequence was deliberately restrained. A national emergency required a clear transfer of authority, while the setting remained a house in a city mourning a murdered president.
The presidency McKinley left behind
McKinley had entered national politics as a Civil War veteran, congressman, tariff advocate and governor of Ohio. His 1896 presidential campaign defeated William Jennings Bryan and aligned the Republican Party with industrial growth, the gold standard and a powerful national campaign organization.
During his presidency the United States fought Spain in 1898. Victory brought U.S. control of Puerto Rico, Guam and the Philippines and made the country an overt overseas imperial power. The annexation of Hawaii and war in the Philippines deepened arguments over expansion, citizenship and American power.
McKinley’s supporters saw prosperity, national strength and administrative calm. Critics challenged protectionism, corporate power and imperial rule. His assassination froze those debates inside a national story of martyrdom, while Roosevelt’s larger public personality soon overshadowed the man he succeeded.
Theodore Roosevelt’s new direction
Roosevelt was forty-two, the youngest person to become president. He promised continuity with McKinley’s policies, and at first he retained the cabinet. But his administration would develop a distinct program: stronger presidential leadership, federal intervention in labor disputes, antitrust action, conservation and an assertive foreign policy.
The transition did not create progressivism by itself. Reform movements, journalists, workers, civic organizations and state politicians were already challenging the inequalities and corruption of the Gilded Age. Roosevelt brought many of those pressures into the executive branch and used the presidency as a public platform.
Czolgosz was tried, convicted and executed in October 1901. The speed of the process reflected contemporary demands for punishment and left little room for the prolonged appeals common in later capital cases. The assassination also intensified security around future presidents; the Secret Service assumed full-time presidential protection soon afterward.
Why September 14 matters
McKinley’s death sits at a hinge in United States history. The policies of his administration helped establish the country’s industrial and overseas power. Roosevelt inherited that position and redefined how visibly a president might use it.
The constitutional system worked in Buffalo without spectacle: one president died in a private home, another took the oath in a nearby library, and the government continued. Yet continuity did not mean sameness. The afternoon of September 14 placed Theodore Roosevelt in an office he would transform.
Continue exploring: return to Today in History – September 14, browse Major Historical Events, or read about the assassination of Empress Elisabeth, California’s admission to the Union, and the Oslo Accords.
Sources and method. The chronology of McKinley’s death and Roosevelt’s oath is based on the Theodore Roosevelt Inaugural National Historic Site and Library of Congress collections. Medical language follows the contemporary cause of death as summarized by the National Park Service. The featured image is an authentic 1901 press page with no known publication restrictions.
- National Park Service: September 14, 1901 at the Theodore Roosevelt Inaugural Site
- Library of Congress: The Death of President McKinley
- National Park Service: William McKinley
Written and fact-checked by the Discover Today in History editorial team. We distinguish documented evidence from reconstruction and revise material when better sources become available.
