Claim: The 1912-13 season of the Scottish League Division One in Scottish football (founded in 1890 but folded in 2013) included 18 teams and was won by the Rangers by four points over Celtic.
Evidence: Scottish Football League (SFL) 1890 2013 Airdrieonians Heart of Midlothian Falkirk Hibernian Motherwell Aberdeen Clyde Hamilton Academical Kilmarnock St Mirren Dundee Morton Third Lanark Raith Rovers Partick Thistle Queen's Park Champions: Rangers 53 49