The Celtic Football Club is a professional football club based in Glasgow, Scotland, that plays in the Scottish Premiership. The club was founded in 1887 with the purpose of alleviating poverty in the immigrant Irish population in the East End of Glasgow. They played their first match in May 1888, a friendly match against Rangers which Celtic won 5–2. Celtic established itself within Scottish football, winning six successive league titles during the first decade of the 20th century. The club enjoyed their greatest successes during the 1960s and 70s under Jock Stein when they won nine consecutive league titles and the European Cup. Celtic have won the Scottish League Championship on 47 occasions, most recently in the 2015–16 season, the Scottish Cup 36 times and the Scottish League Cup 15 times. 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 Scottish League Cup, and the Glasgow Cup. Celtic also reached the 1970 European Cup Final, and the 2003 UEFA Cup Final.