[5] It ended a long wait for a trophy – they had been runners-up in four of the past five seasons, and had lost in major domestic cup finals four times in the previous seven years.
In the 1966–67 season, Kilmarnock reached the semi-finals of the Inter-Cities Fairs Cup, but this was to mark the end of their spell of high achievement, and by 1972–73 they had been relegated for only the second time in their history.
[7] In 2018–19, the club's 150th anniversary season, they finished in 3rd place in the Scottish Premiership, their highest position and points total in the modern era.
Kilmarnock were inactive during World War II as their Rugby Park ground was used as a munitions store by the British Army during the conflict.
[15] The Scottish Football League was founded in 1890 and, other than during seven years of hiatus during World War II,[a] the national top division has been played every season since.