7/25/11 – The first-ever EAA fly-in convention was held 58 years ago in Milwaukee. The AirVenture kicks off Monday in Oshkosh, where it has been held since 1969. It’s called the “World’s Greatest Aviation Celebration.” While big aircraft are an integral part of the show, most of the planes headed to Wittman Regional Airport are much smaller. AirVenture includes forums, workshops, vendors with products to sell and the biggest collections of planes of all sizes in the world. The EAA AirVenture runs through Sunday, July 31.