Mercenary generals such as Gattamelata were hired to lead the armies of the various Italian city-states and were known as Condottieri
Italian captains known as Condottieri led multinational armies in the early modern era and mercenary organizations in the Middle Ages. They were particularly useful to popes and other European kings during the European Wars of Religion and the Italian Wars of the Renaissance. Since the condotta was the agreement by which the Condottieri placed themselves in the care of a city or a lord, the word Condottieri originally meant contractor in medieval Italian. But during the Renaissance and Reformation period, the phrase started to be used interchangeably with military commander.
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