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
History of Celtic F.C. (1887–1994) Celtic won the league and cup double in 1988, their Centenary Year. The team's fortunes went into decline in the early 1990s, with the family dynasties that had run Celtic since its formation struggling to cope with the increasing commercialisation of football. In March 1994, with Celtic facing bankruptcy, Canadian-based businessman Fergus McCann took control of the club. Celtic Football Club was formally constituted at a meeting in St. Mary's church hall in East Rose Street (now Forbes Street), Calton, Glasgow, by Irish Marist Brother Walfrid on 6 November 1887, with the purpose of alleviating poverty in the East End