As a President he was a pretty sorry specimen, his claims to fame all pretty much amounting to spectacular non-achievements. Firstly he gave the longest inaugural speech in history, which would be bad enough, but unfortunately March 4, 1841, was a cold and wet day and Our William chose to wear neither overcoat nor hat. This was allegedly to demonstrate his robustness, which had been called into question due his advancing years. As a consequence of this foolhardiness he developed both pneumonia and pleurisy shortly after. Despite the attentions of the top medics of the day and the liberal application of opium, castor oil, and leeches he proceeded to drop dead exactly one month later. Which made his the Presidential term the shortest in history, coming in at 30 days, 12 hours, and 30 minutes. It also made him the only President never actually to move into the White House.
No wonder he looks so bloody miserable.