query: What is the world's largest horse show?
passage: Devon Horse Show
Since 1896, the Devon Horse Show is the oldest and largest outdoor multi-breed horse competition in the United States. The Annual Horse show and Country Fair promotes horsemanship and horse breeding for conformation, performance and speed. The original ideas and activities of the show have changed dramatically over the decades. The show attracts people from all over the world, as both competitors and spectators.
passage: The Crystal Palace Poultry Show
The Crystal Palace Poultry Show (variously also the International Poultry Show and Great Poultry Show) was a poultry show held at The Crystal Palace in London in the United Kingdom. They ran from 1857-1936, with interruption by World War I. It was the world's largest poultry exhibition at several times in its existence, considered the pinnacle of poultry exhibition in the British Empire and despite being a poultry show also allowed the exhibition of domestic rabbits. It was hosted by the Grand International Poultry, Pigeon and Live Stock Shows, Ltd which was liquidated in 1964. The show was superseded in its role by the International Poultry Show, Olympia which has also ceased to exist since.