Table:
text: List of Americas records in swimming
Long course (50 m)
Men
Event Time_ Nationality Date_ Meet Location_
200m individual medley 1:54.00 United States 28 July 2011 World Championships Shanghai , China
400m individual medley 4:03.84 United States 10 August 2008 Olympic Games Beijing , China
4×100m freestyle relay 3:08.24 United States 11 August 2008 Olympic Games Beijing , China
4×200m freestyle relay 6:58.55 United States 31 July 2009 World Championships Rome , Italy
4×100m medley relay 3:27.28 United States 2 August 2009 World Championships Rome , Italy

Question: What is the date of the event with a time of 1:54.00 under the American record for men's long distance (50 m) swimming?