What Italian professional football club, founded in 1899, was the first to establish an ultras group?
Fossa dei Leoni The Fossa dei Leoni, also referred to by the acronym FdL, was an association of ultras supporters of Italian professional football club Associazione Calcio Milan. Established in 1968, it was the first ultras group to form in Italy.
A.S. Petrarca Calcio Associazione Sportiva Petrarca Calcio was an Italian football club based in Padua, Veneto. The club was formed in 1910. The team's colors are black and white. They have played at the first level before the single table was instated and now play in the Prima Categoria.