It's the first time since the Second World War that the event has been called off.
For the first time since the Second World War, the Dublin Horse Show has been cancelled.
Organisers said the scale of the July event meant they had to make the call early.
Around 100-thousand patrons were due through the gates of the RDS for the five-day event.
Discussions are already underway about the staging of next year’s Horse Show.
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