From their web site:

Downtown Geneseo 9 a.m. – 3 p.m. Car show – Train display – Airplane display. 7-11 a.m. Car show registration, sponsored by Maple City Cruisers. Music provided by 3-D Sound. Airplane on display from Gen-Air Park pilots. Operating Antique Model Train displays by Geneseo Model Railroaders. 12 noon – Salute to America – National Anthem – VFW Color Guard 2 p.m. Car Show awards ceremony. Food & Activities all day!