Wright Brothers Day is celebrated in the United States on December 17 each year. This day is an observance but not a federal holiday. The date commemorates the Wright brothers' first successful flight in heavier-than-air, mechanically propelled craft which was accomplished on December 17, 1903, near Kitty Hawk, North Carolina.
The photograph is the First flight of the Wright Flyer I, December 17, 1903, showing Orville piloting and Wilbur running at wingtip. Wright Brothers First Flight.
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Image is in the Public Domain