A sheepdog trial is mentioned many times in Terry Pratchett's Tiffany Aching series, although it has never been written about in detail.
trial | The Trial | women's time trial | Scopes Trial | Pan Am Flight 103 bombing trial | clinical trial | Video on Trial | Trial by Jury | 2013 UCI Road World Championships – Women's team time trial | Your Funeral... My Trial | Trial (law) | The Trial of God | Pitcairn sexual assault trial of 2004 | Mock Trial | McMartin preschool trial | Delmas Treason Trial | Trial of Saddam Hussein | Trial Farm | Trial | The Trial (1962 film) | Shetland Sheepdog | Ralph Wolf and Sam Sheepdog | Podium of the 2006 World University Cycling Championship – Women's time trial | New York Court for the Trial of Impeachments | National High School Mock Trial Championship | Ministries Trial | HIV trial in Libya | High Command Trial | Doctors' Trial | Bernoulli trial |
An annual "International" sheepdog trial, has been held every year since 1906, with breaks only for the two World Wars and the 2001 Foot and Mouth outbreak.