By the 1980s, England football fans had gained an international reputation for hooliganism, visiting booze-fuelled violence on cities around the world when the national team played abroad. Football hooliganism in Bosnia and Herzegovina is particularly associated with the supporters of clubs such as FK Sarajevo (Horde Zla), FK Željezničar Sarajevo (The Maniacs), FK Velež Mostar (Red Army), HŠK Zrinjski Mostar (Ultrasi) and FK Borac Banja Luka (Lešinari). Ever since the 13th century in England, the game of football has been associated with violence. Call it tribalism, nationalism or something else – but hooliganism is hooliganism, and England has been its leading exporter since the 1970s. The roots of the game were found in these oppositions. The form of the game was solely played between neighboring villages, often by the youth. By the 14th century, the violent consequences of the game had its repercussions, su… Hooligan firms (also known as football firms) are groups that participate in football hooliganism or other sports-related hooliganism. During the 1980s, clubs which had rarely experienced hooliganism feared hooliganism coming to their towns, with Swansea City supporters anticipating violence after their promotion to the Football League First Division in 1981, at a time when most of the clubs most notorious for hooliganism were playing in the First Division, while those living in Milton Keynes were concerned when Luton Town announced plans to relocate to the town, although this relocation ultimately never happened. For groups in Latin America, see barra brava and torcida organizada Other clubs with hooligans as supporters include FK Sloboda Tuzla (Fukare), NK Čelik Zenica (Robijaši) and NK Široki Brijeg (Škripari). The games were often played to dispute land, express tribal aggression, or settle disagreements. In European countries such as England and Poland, firms are clearly defined, but in Latin America the situation is less clear-cut. The history of football hooliganism in the United Kingdom begins in the medieval times.