Complex sentence: Nonetheless, Ader's October 9,1890 flight of the Éole remains relatively undisputed and Ader is still admired for his efforts; in 1938 France issued a postage stamp honoring him, and Airbus named one of its aircraft assembly sites in Toulouse after him.
Split into simpler sentences: Nonetheless, Ader's October 9,1890 flight of the Éole remains relatively undisputed, and Ader is still admired for his efforts. In 1938, France issued a postage stamp honoring him, and Airbus named one of its aircraft assembly sites in Toulouse after him.