The Scottish Premier League (SPL) did not begin until 1998.
Up until 1998 the Scottish Championship was called the Scottish Football League Premier Division, this was won by Rangers in 1996-97 and Celtic in 1997-98.
The team that won the Scottish Premier League in 1997 was Rangers.
The team that won the Scottish Premier League in 2007 was Celtic.
The team that won the Scottish Premier League in 1990 was Rangers.
Glasgow Celtic won the Scottish Premier League in 2012.
Glasgow Rangers beat Queen of the South to win the Scottish Cup in 2009.
The team that won the Scottish Premier League in 2013 is Celtic.
The team that won the Scottish Premier League in 1998 was Celtic.
The team that won the Scottish Premier League in 2006 was Celtic.
The team that won the Scottish Premier League in 1999 was Rangers
The team that won the Scottish Premier League in 1991 was Rangers.
The team that won the Scottish Premier League in 2014 was Celtic.
The team that won the Scottish Premier League in 2012 was Celtic.