The 1991 Canadian Grand Prix was won by Nelson Piquet of Benetton. Despite being on pole position in Canada, Riccardo Patrese could not convert this into a win.
The race in Canada was round 5 of 16 of the 1991 season.
The 1991 Canadian Grand Prix was a Formula One motor race held at Circuit Gilles Villeneuve on 2 June 1991. It was the fifth race of the 1991 FIA Formula One World Championship.
The 69-lap race was won by Nelson Piquet, driving a Benetton-Ford. Piquet took the 23rd and final win of his F1 career after old rival Nigel Mansell, driving a Williams-Renault, suddenly stopped halfway round the last lap while leading by almost a minute. Stefano Modena took second in a Tyrrell-Honda, while Mansell's team-mate Riccardo Patrese was third, having started from pole position.
source: Wikipedia
just click on the link and then copy it so you can use it on another website.