Question: When did manchester united last won a trophy?
Disambiguated questions and answers: question: As of the 2016-2017 season, when did manchester united last win a trophy?
As of the 2015-2016 season, when did manchester united last win a trophy?
As of the 2014-2015 season, when did manchester united last win a trophy?
answer: 24 May 2017
21 May 2016
11 August 2013
Natural Questions answer: May 2017 (from the Wikipedia article "Manchester United F.C.")