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Today, Dec. 15, is known as Zamenhof Day and is celebrated annually by users of Esperanto. Exactly 156 years ago, Ludwik Lejzer Zamenhof was born in the town of Bia?ystok in the Russian Empire. Zamenhof was a Polish Jew, physician, inventor, and writer. But he is most widely known for creating Esperanto, the most successful … Continued