Celtic F.C. their sixth successive league title on 2 April 2017, with a record eight league games to spare. As Celtic's unbeaten domestic run continued, they subjected Rangers to their heaviest defeat at Ibrox since 1915, 5–1, on 29 April. Celtic's 2–0 win over Hearts on 21 May saw them finish 30 points ahead of second-placed Aberdeen in the league, with a record 106 points, and the team became the first Scottish side to complete a top-flight season undefeated since Rangers in 1899. On 27 May 2017, Celtic clinched their fourth treble by defeating Aberdeen 2–1 in the Scottish Cup final. The
Celtic F.C. in European football Celtic F.C. in European football Celtic Football Club is a Scottish football club based in Glasgow, which has regularly taken part in European competitions since its first appearance in the 1962–63 Inter-Cities Fairs Cup. Since then, the club has competed in every UEFA organised competition, with the exception of the UEFA Super Cup and the defunct Intertoto Cup. The club became the first British team and only Scottish team to date to win the European Cup, by beating Inter Milan in the 1967 final. The team that defeated Inter at the final held at the Estádio Nacional in Lisbon have