 The club first joined the Football League after World War I and in 1938, the club missed out on promotion to the First Division by one point.Since the 1960s, the club has been nicknamed 'the Sky Blues' owing to the colour of their kit introduced by manager Jimmy Hill.Arriving in 1961, Hill and club chairman Derrick Robins led a revival of the club's fortunes which culminated in promotion to Division One in 1967.