Kung Fu actually originated in India, but was developed further in China.
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In 2011, a couple bought a box of textbooks for $10. Inside, they found a 25-cent bill signed by the president of the Republic of Texas, Sam Houston, and subsequently sold it for $63,250.
13
Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
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The Taj Mahal took 20 years and 20 thousand men to finish!
83
The U.S. motto, 'In God We Trust', was not adopted as the national slogan until 1956.
72