At that time, he was the first person disqualified from a Grand Slam since 1963
Yesterday, Venus Williams got into a spot of bother at an already ignominious Australian Open for her.
Following the veteran's first round exit this week, she was fined a record $5,000 for skipping her post-match press conference.
Given how much she has earned throughout a successful career, it is a small price to pay.
But 26 years ago today, John 'You can't be serious' McEnroe got a harsher punishment when he was disqualified from the Aussie Open.
The American major-winning legend was involved in a fourth round match against Mikael Pernfors of Sweden when three violation codes, becoming the first player in 27 years - at that point - to be disqualified from a Grand Slam event.
The first violation code was for unsportsmanlike conduct, followed by one for racket abuse and then third came after McEnroe's vigorous complaints: