Conversation so far:
What did Paul Gascoigne do for Newcastle United?
At the beginning of the 1984-85 season Paul Gascoigne was given 2 weeks to lose weight. Gascoigne trained for ten days wrapped in a black bag to lose weight.
Did Paul Gascoigne win any awards?
Paul Gascoigne received an award for BBC Sports Personality of the Year in 1990.
Did Paul Gascoigne make it to any championships?
No, at White Hart Lane Paul Gascoigne helped Terry Venables's Spurs to sixth in the First Division. They rose to third place in 1989–90, but were still behind Liverpool.
Did Paul Gascoigne suffer any injuries during his captainship?
While playing for Tottenham Hotspur Paul Gascoigne committed a dangerous knee-high foul on Gary Charles and ruptured his own cruciate ligaments in his right knee.
Why did Vinnie Jones grab Paul Gascoigne's genitals?
Vinnie Jones singled Paul Gascoigne out for attention, and in an incident that would become a much-publicised photograph, Jones grabbed him by the genitals as Gascoigne screamed in agony.

Question: When did this happen?
Self-contained rewrite: When did Vinnie Jones grab Paul Gascoigne's genitals?