During this time, it was part of the French 3rd, 8th, 31st and 33rd Corps (Corps d'Armée (CA)), which in turn were part of the French 1st and 2nd Armies.

[1] During the Battle of France in May 1940 the division was made up of the following units: It was a Series B reserve division containing older reservists.

It was a Fortress Division meant to defend the French border with Belgium.

[2] The division held a section of the Maginot Line near Clairfayts.

The 7th Panzer Division broke through the sector of the 84th Regiment in a night assault on 16 May after "considerable resistance".