قبل القرن العشرين، كانت هناك سبع حالات إعدام داخل القلعة في برج جرين من بينها الليدي جين غراي، وهي الحالات التي اعتبر أن إعدامها علنًا يشكّل خطورة.
Before the 20th century, there had been seven executions within the castle on Tower Green; as was the case with Lady Jane Grey, this was reserved for prisoners for whom public execution was considered dangerous.