Orville Anderson and Albert Stevens in Explorer II establish altitude record for balloons of 72,395 feet in the United States.
First flight of the Convair XB-58A Hustler.
The British government agrees to fund development of the Rolls-Royce RB211 turbofan, rescuing the project from Rolls-Royce's bankruptcy.
First flight of the CASA CN-235.
First flight of the Mitsubishi Regional Jet (MRJ).