Bonus question: Where is London located? (a) The British Isles (b) Great Britain and Northern Ireland (c) The UK (d) Europe (or 'the EU') (e) Greater London
Don Majkowski threw a game winning touchdown pass to Sterling Sharpe in 1989 but the points were taken away as an illegal forward pass penalty, until later they saw the replay footage and awarded the points post game.
32 seconds, actually. They must have paused the game timer during the four minute deliberation, drat! If we could find a single example of results being overturned outside of a game then that would satisfy the question.