Claim: The first Auchan store in France opened in 1961.
Evidence: 1961; 59 years ago (1961)
Roubaix, France 
After meeting the founders of the Carrefour and Leclerc, on July 6, 1961, Gérard Mulliez opens the first Auchan store in a disused factory of the company Phildar, founded by his father, also named Gerard.