The Old Firm (Rangers vs Celtic rivalry)

The Old Firm is the intense football rivalry between two Scottish teams, Rangers and Celtic, based in Glasgow. Rooted in historical, religious, and social distinctions—Rangers traditionally associated with Protestantism and Unionism, Celtic with Catholicism and Irish identity—the rivalry extends beyond sport, symbolizing broader cultural and political divides. Matches between them are highly charged events, drawing passionate support and significant media attention. This rivalry is among the most famous and longstanding in world football, exemplifying how sports can reflect societal identities and histories.