This depends on the President, but if you are talking about assassination attempts, the most recent one in US history was the killing of John F Kennedy on 1963, November 22.
The vice president shall be the president in a case that the original president might die.
The first president to die was George Washington
After the President and Vice President die in office, the Speaker of the House will become president. After them, the President Pro Tempore of the Senate. The order of succession goes on and on after this.
The youngest president to die in office was President John F Kennedy.
The Speaker of the House.
The Vice president
vice president
William Henry Harrison was the first US president to die in office.
No- he did not die. President Harrison died and Tyler took his place as president.
The vice president.
The Vice President
The Vice-President would become President.