Largest water pistol fight

According to Official Guinness Records,

The largest water pistol fight involved 3,875 participants and was achieved by the University of California, Irvine at an event organised by NLA Sports (both USA) in Irvine, California, USA, on 24 September 2013.
Students from the University of California, Irvine, were divided into two teams that wore the colors blue and gold respectively, fought a battle with water pistols that lasted twelve minutes.

For a complete list of 2013 records, please visit 2013 Guinness Records in United States.

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