Longest dance party

According to Official Guinness Records,

The record for the longest dance party was achieved by Unique Events Limited (Ireland) and began on 27 October 2006 at 12:00 with 40 dancers, 31 of which completed the marathon after 55 hours, at the Quay Front, Wexford, Ireland, on 29 October 2006.

For a complete list of 2006 records, please visit 2006 Guinness Records in Ireland.

Other Ireland records that might interest you:

• Longest golf hole-in-one in the Ryder Cup
• Longest non-stop flight by any aircraft - FAI-approved
• First discovered spiral galaxy
• Largest ring-a-ring-o'roses rhyme
• Largest rugby tour