What is your Killer Fact(s) you whack out in trivia exchanges?

[BelfastBloke]

Mine is about the Vietnam war film Full Metal Jacket, by Stanley Kubrick.

First half set in basic training camp in USA.
Second half set in Vietnam.

All of it shot in England, and the Vietnam sequences shot in the centre of London!

everyone knows that though, try harder

You could have taken the tube to the last public hanging.