Conversation so far:
How did the election make an impact on Hugh Trevor-Roper's history?
In 1980 at the age of 67, Hugh Trevor-Roper became Master of Peterhouse, the oldest and smallest college in the University of Cambridge.
What did Hugh Trevor-Roper accomplish as Master of Peterhouse?
Women were admitted into Peterhouse in 1983 at Hugh Trevor-Roper's urging.

Question: Admitted to what?
Self-contained rewrite: What were the women admitted to at Hugh Trevor-Roper's urging?