Scranton, Pennsylvania, United States / March 13, 1975
David Monteith, Lazslo Farkas, Mike Dux and Al Henderson played a game of Monopoly that lasted 54 straight hours. The only additional rule they added was unlimited borrowing from the bank to ensure no one went bankrupt.
This game was played from March 13 to March 15, 1975 in Scranton, Pennsylvania. Bernadine Yencho was present to time and witness the event.
The attached images show a form that was signed hourly by witnesses throughout the duration of their game.