The Celtic F.C. is based in Edinburgh.
Celtic F.C. . The club was founded in 1887 with the purpose of alleviating poverty in the immigrant Irish population in the East End of Glasgow . 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 League Cup , and the Glasgow Cup . The Glasgow Cup is a knockout football tournament open to teams from Glasgow .