The Quail Motorcycle Gathering—taking place Saturday, May 16, at Quail Lodge & Golf Club in Carmel, Calif.—will showcase over 300 of the world’s most impressive prewar and postwar sports and racing bikes. This year’s featured display, A Tribute to Military Motorcycles, highlights an extensive collection of military bikes from the United States, England, Germany, Denmark, and Italy, providing a visual representation of the motorcycles’ evolution from World War I to the present day. Also on display will be a…