 The club has won the Scottish league championship 51 times, most recently in 2019–20, the Scottish Cup 39 times and the Scottish League Cup 19 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 League Cup and the Glasgow Cup.Celtic also reached the 1970 European Cup Final and the 2003 UEFA Cup Final, losing in both.