The 18th President of the United States Ulysses S. Grant died on July 23, 1885 in Wilton, New York.
The President pro tempore of the Senate. There's a list detailing the 18 possible sucessors of the President, in order of who would go first.
the vice president
vice president
The Vice President
The vice president.
vice president
The Vice President
Vice President
Uylesses S Grant
William Henry Harrison was the first US president to die in office.
Speaker of The House
If the Vice President dies the president remains president.