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The History of the Twentieth Century

A chronicle of the history of the twentieth century, including art, music, popular culture, science, religion, and, of course, politics and war.
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The History of the Twentieth Century
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Dec 25, 2021

Ever since the eighth planet, Neptune, was discovered in 1846, some astronomers searched for a hypothetical ninth planet. Clyde Tombaugh discovered the ninth planet in 1930. Or did he?

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