10. Wrexham F.C. (1864)
I wouldn’t be surprised if this football club was left unknown to you for these many years, but a soccer fan who remembers history well will know that Wrexham is one of the oldest football clubs in the world. Moreover, this club also holds a record of winning the Welsh Cup 23 times more than any other team in the Welsh part of the United Kingdom. Also, it had a staggering 87 members into the club when it first joined the football league in 1921 and if you think that this club wasn’t known that much in Europe, then perhaps you should know that this team had defeated the likes of Arsenal in 1992 FA Cup third round match, and has also beaten teams such as FC Porto in 1984.