1936
When brothers, Harold S. Smith, Sr. and Raymond A. Smith, opened a small casino called Harolds Club in Reno, Nevada, the main attraction was mouse roulette “where customers bet their small change on what color or number a scampering rodent would choose to rest up from his running,” wrote Robert Laxalt in Nevada: A History. Harold Smith, Sr. confirmed this was true in his memoir, I Want To Quit Winners.
