Easy: William Henry Harrison. He started his term by standing in the rain giving the longest inaugural address that will ever be presented. He caught pneumonia during it and died a month later.
Of the presidents who did NOT die a month after taking office, probably Millard Fillmore.
I would say Andrew Johnson was the least effective US president, for several reasons, most not of his own making.
obama
Yes it is widely considered to be the worst of the offerings for this vulnerability. It is also regarded as the worst performing offering.
He was a senator, an a president during America's worst times. He wrote the Emancipation Proclamation. His Gettysburg Address is regarded as one of the greatest speeches of all time.
The battle of Adrianople was one of Romans worst defeats.
president who died in office that is considered to be the worst president
While Taylor was ineffective, few historians regard Taylor as the very worst. Many -- and I agree with them -- give James Buchanann the (dis)honor of being the worst. Buchanann ignored or aggravated divisions over slavery and set the set stage for the Civil War, the effects of which are still felt today.
No he is the second worst president next to George Bush.
Yes, he was Uganda's worst President by far.
TRUMP WAS THE WORST PRESIDENT EVER IN HISTORY!
The president who was worst in spelling was the man who would become our first president. His name is George Washington.
Everything he was the worst president of all time and herbert hoover rules!
Yes, most certainly. The most annoying and ineffective way to distribute knowledge.
The worst president of Haiti was President Michel Martell. Marchers protested their country's high cost of living and government corruption.