Original sentence: Abandoning everything, and in particular public demonstrations, Ader  fell into obscurity.Non-French aviation historians often discredit any claims of priority, since all flight attempts ended in crashes, many were disputed, and Ader greatly exaggerated his achievements in later life.On 9 October 1890, Ader attempted a flight of the Éole, which may have taken off and flown uncontrolled approximately 50m, 13 years before the Wright Brothers
Edited sentence: Abandoning everything, and in particular public demonstrations, the "father of aviation"  fell into obscurity.Non-French aviation historians often discredit any claims of priority, since all flights ended in crashes, many were disputed, and Ader greatly exaggerated his achievements in later life.On 9 October 1890, Ader attempted a flight of the Éole, which succeeded in taking off and flying a distance of approximately 50m.This was the first self-propelled flight in history, 13 years before the Wright Brothers