Questions tagged [exchange]

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How did currency exchange work in the Middle Ages, especially if the coins are not recognized?

According to Wikipedia, there were a wide range of currencies in the Middle Ages: The various Germanic states in the west all had coinages that imitated existing Roman and Byzantine forms. Gold ...
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Was there a Viking Exchange as well as a Columbian one?

In the Columbian Exchange, many tropical and temperate species crossed the Atlantic for the first time. Was there previously a Viking Exchange at higher latitudes? According to Jesse Byock's Viking ...