During World War I, Quéven lost one hundred and one of its children.
85% of the town was destroyed in World War II. In January 1945, the city of Toulouse adopted the ruined town, via its mayor Raymond Badiou. In memory of this help the main square of Quéven was renamed "Place de la ville de Toulouse" and a street in Toulouse was renamed "Rue de Quéven".[4]
The city of Queven has been honoured 25 September 1949 with Cross of War 1929-1945 by the citation 11 November 1948 of the Ministry of the Armed Force, Max Lejeune.
Population
Inhabitants of Quéven are called in FrenchQuévenois.