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TIL Justin Yifu Lin, a former Taiwanese military officer who defected to Mainland China in 1979 to pursue his ambitions. He studied at Peking University and the University of Chicago, became Chief Economist and Senior Vice President of the World Bank. Now, he is still a wanted criminal of taiwan.

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B0xr TIL that after leaving office, Harry S. Truman began working within the Truman Presidential Library and Museum, often answering the phones to give directions and information as “the man himself.”
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yQE0v TIL that the modern day hoody was invented by "Champion" in the 1930's
mxv7y TIL that during 1929-1932 Herbert Hoover deported over 1 million Mexican Americans because he believed them to be a cause of the Great Depression. An estimated 60% of those deported were actually U.S citizens.
WGoN TIL that the at-sign, @, is not a modern invention. It has been found on documents as old as 1345.