Originally published in 1998
- July 12, 1957: Dwight Eisenhower was the first President to fly in a helicopter.
- July 17, 1989: The B-2 Stealth Bomber makes its first flight.
- July 22, 1933: Wiley Post, flying the Winnie Mae, lands in New York after having made the first solo flight around the world in a record time of 7 days, 18 hours, and 49 minutes.
- July 27, 1938: Northwest Airlines pioneered the first practical aviation oxygen mask.
- July 31, 1964: A.H. Parker establishes a world distance record for sailplanes, covering 647 miles from Texas to Nebraska.
SOURCE: Minnesota DOT, Office of Aeronautics, 1998 Calendar
