The US President who served the longest as President was Franklin D. Rosevelt (1882-1945). He was President from March 4, 1933 until his death on April 12, 1945.
The US President who lived to the oldest age was Gerald Ford (July 14, 1913 - December 26, 2006). He was 93. He was the 38th US President (1974-1977).
The oldest living President in 2009 is George H. Bush (born June 12, 1924), the 41st US President.
its 264 hours (about 11 days) its not the longest time a person stayed on facebook. its the longest time person stayed awake. both of them are same. may be little varition can encounter because of the strain in the eyes...
Fulham
The world record for the longest time a person has stayed awake is believed to be around 11 days or 264 hours. This feat was achieved by Randy Gardner in 1964 as part of a science fair project. Despite experiencing some cognitive and physical impairments during the experiment, Gardner made a full recovery after sleeping for 14 hours straight.
Jerry Sloan
Teddy Roosevelt
The Germans.
France
Daniel Tosh
Apollo 17
Nelson Mandela
The longest continuous stay in space is 438 days, by Valeri Polyakov.
No one. The longest time humans spent on the moon was Apollo 17 who stayed for three days.