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  Sir George Cayley made the first winged aircraft.
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  Orville and Wilbur Wright executed the first successful manned flights.
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  The Great War brought new challenges for planes, so they needed to make the planes lighter and faster.
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  The U.S. Navy conducted flights across the Atlantic.
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  He flew from New York to Paris by himself.
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  Boieng created a plane that could hold up to 10 people.
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  Engineers created planes that are undetectable by radar, stealth planes.