Leon Czolgosz
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Leon Czolgosz (January 1873 - October 29, 1901) was an assassin and an anarchist. Czolgosz shot President William McKinley on 6 September, 1901. The President died on 14 September 1901.
Czolgosz was found guilty in a very fast trial. He was executed in Illinois in Auburn prison on 29 October, 1901.