the double, by winning the league and the Scottish Cup in the same season, on many occasions. As of the end of the 2021–22 season, Celtic have won 19 doubles and Rangers 18. Only Linfield in Northern Ireland (24) and South China in Hong Kong (20) have won more doubles. The only other club to have won a league and Scottish Cup double is Aberdeen, in 1983–84. Additionally, both old Firm clubs have completed a treble seven times by also winning the Scottish League Cup. In the 1966–67 season, Celtic took all three domestic trophies, and also won the European Cup to complete the only quadruple to date. Champions Key: Scottish Football League (1890–1893) Scottish Football League Division One (1893–1946) Scottish Football League Division 'A' (1946–1955) Scottish Football League Division One (1955–1975) Scottish Football League Premier Division (1975–1998) Scottish Premier League (1998–2013) Scottish Premiership (2013–present) Total titles won Clubs participating in the 2022–23 Scottish Premiership are denoted in bold type. Clubs no longer active are denoted in italics. By city/town Teams in Italics are defunct, and cannot win any more championships Teams in Bold currently participate in the Scottish Premiership See also List of Scottish Cup finals List of Scottish League Cup finals Notes References Scotland champions Champions Champions Champions Champions Scottish football