In 1901, President McKinley was fatally shot by [[Leon Czolgosz]], an [[anarchist]]. Roosevelt automatically became President. He was reelected in [[United States presidential election, 1904|1904]] against a challenge by the Democratic candidate Alton B. Parker. | In 1901, President McKinley was fatally shot by [[Leon Czolgosz]], an [[anarchist]]. Roosevelt automatically became President. He was reelected in [[United States presidential election, 1904|1904]] against a challenge by the Democratic candidate Alton B. Parker. |