Samuel Pierpont Langley conducted the first successful flight of an unpiloted, engine-driven, heavier-than-air craft from a houseboat near Chopawamsic Island in the Potomac River.
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Samuel Pierpont Langley conducted the first successful flight of an unpiloted, engine-driven, heavier-than-air craft from a houseboat near Chopawamsic Island in the Potomac River.
