William McKinley (January 29, 1843 – September 14, 1901) was the 25th president of the United States, serving from 1897 until his assassination in 1901.

William McKinley (born January 29, 1843, Niles, Ohio, U.S.—died September 14, 1901, Buffalo, New York) was the 25th president of the United States (1897–1901). Under McKinley’s leadership, the United States went to war against Spain in 1898 and thereby acquired a global empire, which included Puerto Rico, Guam, and the Philippines.

William McKinley (January 29, 1843–September 14, 1901) was the 25th president of the United States. Prior to that, he was a member of the U.S. House of Representatives and the governor of Ohio. McKinley was assassinated by an anarchist less than a year into his second term as president.

William McKinley was the 25th President of the United States, serving from March 4, 1897, until his assassination on September 14, 1901, after leading the nation to victory in the Spanish-American War and raising protective tariffs to promote American industry.