In 1966 Rolls-Royce acquired Bristol Siddeley (which had resulted from the merger of Armstrong Siddeley and Bristol Aero Engines in 1959) and incorporated it as the Bristol Siddeley division.
En 1966 Rolls-Royce adquiriu Bristol Siddeley (que xurdira como resultado da fusión de Armstrong Siddeley e Bristol Aero Engines en 1959) e incorporouna como a división Bristol Siddeley.