Conversation so far:
What abuse took place at Broadmoor Hospital?
allegations of sexual abuse.
Who were the allegations of sexual abuse against?
Jimmy Savile.
How was Jimmy Savile involved with the hospital?
a minister in the Department of Health and Social Security (DHSS), Jean Lady Trumpington, appointed Savile to the management board in charge of Broadmoor.

Question: What year was this?
Self-contained rewrite: What year was the abuse at Broadmoor Hospital?