Several aircraft had their production anniversaries recognized during AirVenture 2016, among them the Van’s RV-6 (30 years), Ultralights (40 years), North American/Ryan Navion (70 years), Cessna C-124/140 (70 years), De Havilland Chipmunk (70 Years), L-Birds (75 Years), Spartan Executive (80 years), Boeing Company (100 years).
Here is a 10 1/2 minute video recognizing each of the aircraft anniversaries: