It split along linguistic lines after a period of civil unrest in 1967–68 commonly known as the Leuven Affair (Affaire de Louvain) in French and Flemish Leuven (Leuven Vlaams), based on a contemporary slogan, in Dutch. The crisis shook Belgian politics and led to the fall of the government of Paul Vanden Boeynants. It marked an escalation of the linguistic tension in Belgium after World War II and had lasting consequences for other bilingual institutions in Belgium within higher education and politics alike.