William McKinley was a Republican president when Republicans were still sometimes good. Before becoming president McKinley fought on the side of the Union during the Civil War leaving as a major. McKinley later was twice elected governor of Ohio.
He introduced protectionist tariffs which were popular in the United States at the time. McKinley started a war with Spain which liberated Cuba from Spanish rule but also took over Guam, The Philippines and Puerto Rico starting the tradition of American imperialism.
William McKinley won a second term but an Anarchist considered deranged shot him, McKinley died several days later in hospital. Theodore Roosevelt who was his Vice President took over as president.  
- John F. Kennedy who was also shot dead.
- Gabby Gifford who was also shot but survived with serious injuries.