Aviation in 1904
The Wright brothers begin a series of over 100 flights in Flyer No.II.
Wilbur Wright makes the first ever circuit flight in an aeroplane.
Wilbur Wright flies 4.43 kilometres (2.75 miles) at Dayton. This is
of more than 5 minutes.
Also this year...
Robert Esnault-Pelterie flies a glider (sailplane) based on the
Wright's designs, but with ailerons for control. This is the first
full-sized aeroplane to feature this innovation.