The "grzywna" is a historical unit of currency that was used in various parts of Eastern Europe, particularly in Poland and Russia, during the Middle Ages and later periods. The term "grzywna" is often translated into English as "grivna" or "hrivnia," and it has roots in Slavic history. In Poland, the grzywna was originally a form of weight used to measure silver, and it later became a monetary unit.
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