(On March 3rd JiaZi), April 6, 1924, to fly around the world for the first time successfully. April

1924, the design and manufacturing by U.S. aircraft designer Douglas Douglas biplane first flight around the world successfully, September 28 of the same year for daily use the same type of aircraft flight around the world have also been successful, Douglas and its founder Douglas thus became famous.
in manufacturing and the history of the development of the late military aircraft and commercial aircraft, to fly around the world successfully important inspiration.