Citroën is a major French automobile manufacturer, part of the PSA Peugeot Citroën group.
Founded in 1919 by French industrialist André-Gustave Citroën (1878–1935), Citroën was the first mass-production car company outside the USA  and pioneered the modern concept of creating a sales and services network that complements the motor car. Within eight years Citroën had become Europe's largest car manufacturer and the 4th largest in the world.
Logo used from 1985 until 2009
The Eiffel Tower served as a billboard for Citroën from 1925 to 1934.
Citroën earned a reputation for innovation and revolutionary engineering, which is reflected in the company's slogan "Créative Technologie". Its history of innovation began with its founding, when André-Gustave Citroën introduced the first industrial mass production of vehicles outside the United States, a technique he developed mass-producing armaments for the French military in World War I. In 1924, Citroën produced Europe’s first all-steel-bodied car, the B-10. In 1934, Citroën secured its reputation for innovation with its Traction Avant, not only the world's first mass-produced front-wheel drive car, but also one of the first cars to feature a monocoque-type body. In 1954 Citroën produced the world's first hydropneumatic self-levelling suspension system, then in 1955 the revolutionary Citroën DS, the first European production car with disc brakes. In 1967, Citroën introduced the first swiveling headlights in several models, allowing for greater visibility on winding roads.
The brand celebrated its 90th Anniversary in 2009.