Benjamin Franklin is credited with being the first person to propose Daylight Saving Time. It was not actually adopted in the US until 1918.

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Sacagawea accompanied the Lewis and Clark Expedition as an interpreter and guide in their exploration of the Western United States.
Hiram Bingham was credited with Machu Picchu's discovery on July 24, 1911, even though German Augosto R. Berns found the site in the 1870s.