It merged with Loyola College to create Concordia University on August 24, 1974.

In 1934, Sir George Williams College offered the first undergraduate credit course in adult education in Canada.

Sir George Williams College received its university charter from the provincial government in 1948, though it remained the education arm of the Montreal YMCA.

The university gained international attention in 1969, when a group of Black students occupied the Henry F. Hall Building's 9th floor computer lab to protest alleged racism by the university.

[4] This protest was documented in the 2015 film The Ninth Floor by director Mina Shum.