Ku sii qor faqradan - Sanadkii 1915, Davidson iyo 30 arday oo sharafta leh ayaa waday gawaari sideed ah oo Cadillac ah oo la beddelay oo ku jiray Glidden Tour oo ka yimid Chicago ilaa Bandhigga San Francisco
Waxaana dib ugu soo laabtay iyadoo ay socdeen wariyeyaal aad u badan. Gaadhigu wuxuu ka billowday meel u dhow iskuulka Highland Park halkaas oo Davidson uu ku dhexjiray Gaariga Baadhista. Waxay bilaabeen Juun 10, 1915, waxayna ku talo jireen inay maraan Moline, Iowa City, Omaha, Denver, iyo Salt Lake City si ay ugu yimaadaan San Francisco Bandhigga Panama-Pacific July 14, 1915.