Most people in a decorated hat competition
Who
The Caroline Foundation
What
1,410 people
Where
Ireland (Greystones)
When

The most people in a decorated hat competition is 1,410, achieved by The Caroline Foundation (Ireland), in Greystones, Ireland, on 11 September 2016.

The hats were decorated with a nautical theme in mind. In the end Ms. Christine Maxwell was the winner and recipient of of a family weekend away.