Bucking Horse Balloon Rendezvous Balloon Rally Riverton, WY July 2011 The bucking horse and rider and Wyoming are nearly synonymous. The emblem is the registered trademark for the State of Wyoming. Our license plates have used this logo since 1913, and the University of Wyoming is also associated with the emblem. The history of the logo was recorded in the 2009 issue of the Wyoming Library Roundup. Here is the text: During World War I, military units were ordered to design an identifying symbol that could be stenciled onto its equipment. George N. Ostrom, a Sheridan, WY cattle rancher and a Wyoming Army National Guard supply sergeant was with E Battery, 3rd Battalion, 148th Field Artillery Regiment, 66th Field Artillery Brigade and his unit was right, smack dab in the middle of the fight in France. “At this time we were in intensive combat and my battery commander asked me how we could possibly comply with this request,” Ostrom wrote in a letter dated 1913...