Celtic Football Club is a Scottish association football club based in Glasgow, which plays in the Scottish Premier League. The club was established in 1887, and played its first game in 1888. Celtic have a fierce rivalry with Rangers; the two Glasgow clubs are collectively known as the Old Firm. Celtic have won the Scottish League Championship on 43 occasions, most recently in the 2011–12 season, the Scottish Cup 35 times and the Scottish League Cup 14 times. Buy Celtic tickets 2012/2013 securely online now!