In 1966 Cardinal John Cody instituted a Chicago seminary system-wide change abolishing the Thursday day off and Saturday school day, which had for decades separated Chicago seminarians and seminary faculty from participating in Saturday social activities, while Quigley faculty voted to alter their own dress code requiring a cassock, in place of other clerical attire.
In 1966 Cardinal John Cody introduced a change at the Chicago seminary that affected the lives of seminarians and faculty. They no longer had a Thursday day off or Saturday school day, which meant they could participate in social events on Saturdays. The Quigley faculty also made changes to their dress code, requiring cassocks.