6. William Henry Harrison
SRI Ranking: 35
Brookings Ranking: 39
William Henry Harrison was the ninth President of the United States. He is also the president with the shortest term in history. He assumed office on March 4th and died of pneumonia on April 4th, 1841. Although it doesn’t seem fair to judge him on his actions as the president since he spent 32 days being one, he had to be ranked somewhere, and he ended up on the 6th spot of our list of least successful presidents in history.
