The bandleader Henry Hall performed at the hotel before the Second World War during which it served as a military hospital.

Significant conferences at the hotel have included the Commonwealth Heads of Government Meeting 1977 and the 31st G8 summit in July 2005.

However, by the time it opened in 1924, the CR had been absorbed by the London, Midland & Scottish Railway (LMS).

Summer 1925 saw the band return to Gleneagles, although their commercial recordings were made in Manchester, and the winter seasons were in Liverpool.

[4] During World War II, as with many large country hotels, it was converted into Gleneagles Hospital[5] under the charge of Dr Thomas Ferguson as Medical Superintendent.

[11] The hotel was redeveloped in preparation for hosting the 40th Ryder Cup in 2014 played on the PGA Centenary Course.