There were occasions in the past when one or two handlers from the UK travelled overseas to take part in a large competition, but these were not really world events. The first worldwide sheepdog trials were staged by the ISDS in Bala, North Wales in September 2002.
The competition is a tri-ennial (every 3 years) event:
2005 - Tullamore, Ireland
2008 - Llandeilo, Carmarthenshire, South Wales
2011 - Lowther Estates, Cumbria, Northern England
2014 - Fearn Farm, Tain, Scotland
The next World Trial will be held in 2017.
It will be held in the Netherlands from July 13-16 and will be the first time the trial has been staged outside the home nations.
The ISDS, in co-operation with Erik Groot, will be organising the World Trial in the Netherlands, hosted in the municipality of Opmeer.
You can find out more information about the World Trials by visiting the World Trial website