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. the name "Belfast Celtic", the title "Celtic Football Club Ltd" already being registered by the Glasgow club. Their home from the same year was Celtic Park on Donegall Road in west Belfast, known to the fans as "Paradise". It was one of the most successful teams in Ireland until it withdrew from the Irish League in 1949. Donegal Celtic, currently playing in the NIFL Premier Intermediate League, was established in 1970, with the Celtic part being taken on due to the massive local following for Scotland's Celtic and formerly Belfast Celtic. They are nicknamed "The Wee Hoops" and play at