The Arte di Calimala, the guild of the cloth finishers and merchants in foreign cloth, was one of the greater guilds of Florence, the Arti Maggiori, who arrogated to themselves the civic power of the Republic of Florence during the Late Middle Ages. The ascendancy of the Calimala ran from the organization of Florentine guilds, each with its gonfaloniere in the thirteenth century, until the rise of the Medici usurped all other communal powers in the fifteenth century. Their presence is commemorated in the via di Calimala, leading away from the city's Roman forum (now Piazza della Republica) through the Mercato Nuovo to the former city gate, the Por Santa Maria, as the Roman cardo; the main street, as old as Florence itself, was a prime location for trade, even though, unpaved, crowded, and