"Citroën (French pronunciation: [si.tʁɔ.ɛn]) is a French automobile manufacturer founded in 1919 by the French industrialist André-Gustave Citroën, and part of the PSA Peugeot Citroën group since ...
1976.
In 1934, the firm established its reputation for innovative technology with the Traction Avant.This car was the world´s first mass-produced front wheel drive car, and also one of the first to feature a unibody construction, with no chassis supporting the mechanical components.
In 1954 they produced the world´s first hydropneumatic self-levelling suspension system then, in 1955, the revolutionary DS, the first mass-produced car with modern disc brakes and, in 1967, they introduced in several of their models swiveling headlights that allowed for greater visibility on winding roads; these cars have received various national and international awards, including three European Car of the Year." - (en.wikipedia.org 29.12.2019)