If you're asking whether any US Presidents were constitutionally ineligible to hold office, the answer is no.
As of 2014, there have been four US Presidents that have died in office of natural causes. The presidents include William Henry Harrison, Zachary Taylor, Warren G. Harding, and Franklin D. Roosevelt.
George Washington was the first President of the United States, taking office in April of 1789. William McKinley was elected to a 2nd term in 1900 as the 25th President.
None. The youngest President was Theodore Roosevelt who took office when he was 42 years of age.
A list of all the Presidents of the United States and their terms in office can be found by using the link to the Wikipedia article posted on this office and the office holders, or by clicking on the ordered list of us presidents link.
Yes, quite a few US presidents had dogs while in office. See the link below for a rundown of White House "pets."
8 us presidents
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No US presidents have been impeached and convicted and so removed from office.
"So help me God" has been added by many of the Presidents.
Including the one in office in 1920 and up to and including Barack Obama, there have been 17 U.S. Presidents.
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Barack Obama was sworn in as the 44th US President.
In the US, the office of President is prescribed by the Constitution.
Jan. 20
If you're asking whether any US Presidents were constitutionally ineligible to hold office, the answer is no.
Including the one in office in 1920 and up to and including Barack Obama, there have been 17 U.S. Presidents.