Bishop Mule Days is an annual festival celebrating the mule, held in Bishop, California over a six-day period leading up to Memorial Day. More than 700 mules compete in 181 events and the largest non-motorized parade in the United States. It started as a small show in 1969 with a few hundred attendees and has grown to Bishop's largest event, attracting as many as 30,000 spectators. Among mule shows, Bishop Mule Days has been described as "The Granddaddy of Them All". 2020 saw the COVID-19 pandemic as grounds for cancellation & deferral to 2021.