Complex sentence: The Wrights had considerable difficulty in getting their accomplishment recognised, despite better documentation and witnesses; a "Fliers or Liars?" debate continued for quite some time after Kitty Hawk, and it took highly public demonstrations before the Wright brothers gained wide recognition.
Split into simpler sentences: The Wrights had considerable difficulty getting their accomplishment recognised, despite better documentation and witnesses. A "Fliers or Liars?" debate continued for quite some time after Kitty Hawk, and it took highly public demonstrations before the Wright brothers gained wide recognition.