What is the name of Adelaide, South Australia's biggest and most popular event, attended by up to half a million people every year, held in the Adelaide Showground?
Adelaide Showground: The Adelaide Showground holds many of Adelaide's most popular events, including the Royal Adelaide Show. Royal Adelaide Show: The Royal Adelaide Show (colloquially known simply as "The Show") is an annual agricultural show run by the Royal Agricultural and Horticultural Society of South Australia. Royal Adelaide Show:  It is held at the Adelaide Showground, located in Wayville, a suburb of Adelaide, South Australia and is attended by up to half a million people every year, making it the State's biggest event.
Royal Adelaide Show