Celtic Football Club (/ˈsɛltɪk/) are a professional football club based in Glasgow, Scotland which plays in the Scottish Premiership. Since playing its first game in 1888, Celtic has never been relegated. Celtic have a long-standing rivalry with Rangers; the two clubs are collectively known as the Old Firm. Celtic have won the Scottish League Championship on 45 occasions, most recently in the 2013–14 season, the Scottish Cup 36 times and the Scottish League Cup 14 times. The club's greatest season was 1966–67, when Celtic became the first British team to win the European Cup, also winning the Scottish League Championship, the Scottish Cup, the Scottish League Cup, and the Glasgow Cup. Celtic also reached the 1970 European Cup Final, and the 2003 UEFA Cup Final.