William McKinley was born on January 29, 1848 in Niles, Ohio and served in the Union army in 1863. Prior to being elected president, McKinley served six terms in the U.S. House of Representatives and one term as the governor of Ohio. In 1896, McKinley was elected the 25th President of the United States and was re-elected in 1900. He was assassinated in 1901 in Buffalo, New York. McKinley's vice-president and successor was Theodore Roosevelt, a wealthy New Yorker, a self-made frontiersman, and a veteran of the Spanish-American war.