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In page Inter Milan:

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Animals are often used to represent football clubs in Italy – the grass snake, called Biscione, represents Inter.[citation needed] The snake is an important symbol for the city of Milan, appearing often in Milanese heraldry as a coiled viper with a man in its jaws.[citation needed] The symbol is present on the coat of arms of the House of Sforza (which ruled over Italy from Milan during the Renaissance period), the city of Milan, the historical Duchy of Milan (a 400-year state of the Holy Roman Empire) and Insubria (a historical region the city of Milan falls within).[citation needed] For the 2010–11 season, Inter's away kit featured the serpent.