For how long was Anthony Blunt's confession a closely guarded secret?
15 years
20 years
Close to 16 years
Nearly 18 years
Answer
Anthony Blunt's confession was kept a secret for close to 16 years after it was first made in 1964. The revelation that Blunt had been a Soviet agent was a major shock to the British establishment, and the government was keen to keep it under wraps.