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.
US Forbach Union Sportive de Forbach Football (] ; commonly referred to as US Forbach or simply Forbach) is a French football club based in Forbach in the Lorraine region. The club was founded in 1909 under the name "Sport Club Forbach" and is a part of a sports club that consists of several other sports. The club played under the "SCF" emblem until 1919 before switching to its current name. Forbach celebrated its 100th anniversary in 2009. The club currently plays in the Regional 1 Lorraine, effectively the sixth tier of French football. Though currently an amateur club, the club did have a stint as a professional club from 1957–1966, playing in Ligue 2.