1991 24 Hours of Le Mans
The 1991 24 Hours of Le Mans was the 59th Grand Prix of Endurance , and took place on 22 and 23 June 1991 . 
<triplet> 1991 24 Hours of Le Mans <subj> 1991 <obj> point in time <subj> 24 Hours of Le Mans <obj> sports season of league or competition <triplet> 24 Hours of Le Mans <subj> 1991 24 Hours of Le Mans <obj> significant event