1984
The Christian Cultures Series celebrates its fiftieth anniversary with Robert Rambusch, distinguished liturgical artist and war hero receiving the Christian Culture Series Gold Medal.
1963
The University of Windsor is established with Assumption University has its sole federated institution. Fr. E.C. LeBel, CSB becomes the first president of the non-denominational University of Windsor.
1962
Assumption University acquires the residence for female students and renames the building Electa Hall in honour of Sister Mary Electa, SNJM first dean of Holy Names College.
1957
In the year of its centennial, Assumption University signed a historic affiliation agreement with Canterbury College becoming one of the first Roman Catholic universities in the world to formally affiliated with an Anglican college.
1955
Assumption College is formally granted armorial bearings from His Grace the Earl Marshal, the Duke of Norfolk.
1954
Essex College is established and offers programs in the sciences and affiliates with Assumption College.
1953
Assumption College is granted university powers and ends it affiliation with the University of Western Ontario. Shortly thereafter, Assumption affiliates with Essex College and Holy Redeemer College.
1945
Army barracks are constructed at Assumption College in order to house returning troops from the World War II.