May 5-6 – Steam Park Grounds, Pawnee –
From oklahomathreshers.org: Be sure and make time to visit Pawnee to kick off the second fifty years of the Oklahoma Steam Threshing and Gas Engine Show. The steam engine display areas as well as the working steam powered exhibits are always very popular, and this year should be no exception. The featured steam engine will be the 20 Horsepower Keck Gonnerman. Gates open at 8 a.m. daily. Visit oklahomathreshers.org for more details.