Tags: Sports League.
Also see: Sports in Evansville.Thunder on the Ohio was a hydroplane boat race in the H1 Unlimited season. Thunder was held each year on the Ohio River in downtown Evansville Indiana USA. Evansville had hosted Thunder on the Ohio consecutively since 1979 (although the race was originally founded in 1938). The winner of Thunder on the Ohio received the Four Freedoms Cup which was named after the nearby Four Freedoms Monument which rests along the Ohio River.