Years 1937 to 1972 including trade shows held at other venues.
1937 Motorcycle Show 22nd-29th September
1938 Motorcycle Show 07th-12th November
1939-47 Shows not held these years
1948 Motorcycle Show 19th-24th November
1949 Motorcycle Show 21st-29th November
1950 Show not held
1951 Motorcycle Show 10th-17th November
1952 Motorcycle Show 15th-22nd November
1953 Motorcycle Show 14th-21st November
1954 Motorcycle Show 13th-20th November
1955 Motorcycle Show 12th-19th November (30th Show)
1956 Motorcycle Show 10th-17th November - (Strikes delayed opening until 12th)
1957 Show not held
1958 Motorcycle Show, 15th-22nd November
1959 Show not held
https://www.gracesguide.co.uk/1960_Motorcycle_Show 1960 Motorcycle Show 14th-21st November
1961 Show not held
1962 Motorcycle Show 10th-17th November
1963 Motorcycle Show 15th-19th May at Blackpool
1964 Motorcycle Show 14th-21st November
1965 Motorcycle Show 05th-09th May at Blackpool
1966 Motorcycle Show 12th-19th November
1967 Motorcycle Show 16th-23rd September
1968 Motorcycle Show 03rd-07th April at Manchester
1969 Motorcycle Show 05th-12th April at Brighton
1970 Show not held
1971 Motorcycle Show 06th-16th January at Olympia
1972 Motorcycle Show 08th-18th November
Source: Graces Guide