The newly elected French president is sworn into office at most ten days after the result of the election. He cannot take office until the Conseil Constitutionnel (constitutional Court) has validated the election result, a process which takes usually three to four days.
None of the individuals who were elected as President died before taking office. William Henry Harrison was sworn in and died 31 days later.
Make sure all of Congress is accesible for his Jazzy Power Scoooter?
Of the eight U.S. Vice Presidents who advanced to the Presidency due to the death of the sitting President, the first was John Tyler, 31 days after William Henry Harrison's inauguration in 1841.
I believe it was Rutherford B. Hayes. (Terms of Office: 1877 - 1881. Republican.)
William Henry Harrison was the first president to die in office. He held office for 31 days before dying from pneumonia.
John Tyler, who died because William Henry Harrisson expired 32 days after delivering his Inaugral Address (which lasted two hours) http://en.wikipedia.org/wiki/John_Tyler
Abraham Lincoln was elected to the office of President for 2 terms. He was elected to his first term as President on November 6, 1860, and sworn into office on March 4, 1861. He was re-elected as President, for a second term, on November 8, 1864, and sworn into office on March 4, 1865. He served about 42 days of his second term, as he was assassinated on April 14, 1865, and died on April 15, 1865.
The first US president to die in office was William Henry Harrison who died in April, 1841. The president with the shortest term in office was also Harrison, and it lasted just 31 days.
Fillmore was elected as vice-president and began president because President Taylor died in office. In those days, there was no way to replace the vice-president before the next election.
Eisenhower was 62 years and 1 month when he was elected in November and 62 years, 3 months and 6 days when he took office. He was 8 years older when he left office.
Theodore Roosevelt was the youngest person to assume the office of President of the United States. Roosevelt was age 42 years and 322 days when he became President following William McKinley's assassination. The youngest person elected President was John F. Kennedy. Kennedy was inaugurated into office at the age of 43 years and 236 days.